1620320000

素因数分解:

$2^8\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 360

約数和(自身を含む): 4693310160

約数和(自身を除く): 3072990160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 41, 50, 52, 64, 65, 76, 80, 82, 95, 100, 104, 125, 128, 130, 152, 160, 164, 190, 200, 205, 208, 247, 250, 256, 260, 304, 320, 325, 328, 380, 400, 410, 416, 475, 494, 500, 520, 533, 608, 625, 640, 650, 656, 760, 779, 800, 820, 832, 950, 988, 1000, 1025, 1040, 1066, 1216, 1235, 1250, 1280, 1300, 1312, 1520, 1558, 1600, 1625, 1640, 1664, 1900, 1976, 2000, 2050, 2080, 2132, 2375, 2432, 2470, 2500, 2600, 2624, 2665, 3040, 3116, 3200, 3250, 3280, 3328, 3800, 3895, 3952, 4000, 4100, 4160, 4264, 4750, 4864, 4940, 5000, 5125, 5200, 5248, 5330, 6080, 6175, 6232, 6400, 6500, 6560, 7600, 7790, 7904, 8000, 8125, 8200, 8320, 8528, 9500, 9880, 10000, 10127, 10250, 10400, 10496, 10660, 11875, 12160, 12350, 12464, 13000, 13120, 13325, 15200, 15580, 15808, 16000, 16250, 16400, 16640, 17056, 19000, 19475, 19760, 20000, 20254, 20500, 20800, 21320, 23750, 24320, 24700, 24928, 25625, 26000, 26240, 26650, 30400, 30875, 31160, 31616, 32000, 32500, 32800, 34112, 38000, 38950, 39520, 40000, 40508, 41000, 41600, 42640, 47500, 49400, 49856, 50635, 51250, 52000, 52480, 53300, 60800, 61750, 62320, 63232, 65000, 65600, 66625, 68224, 76000, 77900, 79040, 80000, 81016, 82000, 83200, 85280, 95000, 97375, 98800, 99712, 101270, 102500, 104000, 106600, 121600, 123500, 124640, 130000, 131200, 133250, 136448, 152000, 154375, 155800, 158080, 160000, 162032, 164000, 170560, 190000, 194750, 197600, 199424, 202540, 205000, 208000, 213200, 247000, 249280, 253175, 260000, 262400, 266500, 304000, 308750, 311600, 316160, 324064, 328000, 333125, 341120, 380000, 389500, 395200, 405080, 410000, 416000, 426400, 486875, 494000, 498560, 506350, 520000, 533000, 608000, 617500, 623200, 648128, 656000, 666250, 682240, 760000, 779000, 790400, 810160, 820000, 852800, 973750, 988000, 997120, 1012700, 1040000, 1066000, 1235000, 1246400, 1265875, 1296256, 1312000, 1332500, 1520000, 1558000, 1580800, 1620320, 1640000, 1705600, 1947500, 1976000, 2025400, 2080000, 2132000, 2470000, 2492800, 2531750, 2592512, 2665000, 3040000, 3116000, 3240640, 3280000, 3411200, 3895000, 3952000, 4050800, 4264000, 4940000, 4985600, 5063500, 5330000, 6232000, 6329375, 6481280, 6560000, 7790000, 7904000, 8101600, 8528000, 9880000, 10127000, 10660000, 12464000, 12658750, 12962560, 15580000, 16203200, 17056000, 19760000, 20254000, 21320000, 24928000, 25317500, 31160000, 32406400, 39520000, 40508000, 42640000, 50635000, 62320000, 64812800, 81016000, 85280000, 101270000, 124640000, 162032000, 202540000, 324064000, 405080000, 810160000, 1620320000]

約数ペア:

[(1, 1620320000), (2, 810160000), (4, 405080000), (5, 324064000), (8, 202540000), (10, 162032000), (13, 124640000), (16, 101270000), (19, 85280000), (20, 81016000), (25, 64812800), (26, 62320000), (32, 50635000), (38, 42640000), (40, 40508000), (41, 39520000), (50, 32406400), (52, 31160000), (64, 25317500), (65, 24928000), (76, 21320000), (80, 20254000), (82, 19760000), (95, 17056000), (100, 16203200), (104, 15580000), (125, 12962560), (128, 12658750), (130, 12464000), (152, 10660000), (160, 10127000), (164, 9880000), (190, 8528000), (200, 8101600), (205, 7904000), (208, 7790000), (247, 6560000), (250, 6481280), (256, 6329375), (260, 6232000), (304, 5330000), (320, 5063500), (325, 4985600), (328, 4940000), (380, 4264000), (400, 4050800), (410, 3952000), (416, 3895000), (475, 3411200), (494, 3280000), (500, 3240640), (520, 3116000), (533, 3040000), (608, 2665000), (625, 2592512), (640, 2531750), (650, 2492800), (656, 2470000), (760, 2132000), (779, 2080000), (800, 2025400), (820, 1976000), (832, 1947500), (950, 1705600), (988, 1640000), (1000, 1620320), (1025, 1580800), (1040, 1558000), (1066, 1520000), (1216, 1332500), (1235, 1312000), (1250, 1296256), (1280, 1265875), (1300, 1246400), (1312, 1235000), (1520, 1066000), (1558, 1040000), (1600, 1012700), (1625, 997120), (1640, 988000), (1664, 973750), (1900, 852800), (1976, 820000), (2000, 810160), (2050, 790400), (2080, 779000), (2132, 760000), (2375, 682240), (2432, 666250), (2470, 656000), (2500, 648128), (2600, 623200), (2624, 617500), (2665, 608000), (3040, 533000), (3116, 520000), (3200, 506350), (3250, 498560), (3280, 494000), (3328, 486875), (3800, 426400), (3895, 416000), (3952, 410000), (4000, 405080), (4100, 395200), (4160, 389500), (4264, 380000), (4750, 341120), (4864, 333125), (4940, 328000), (5000, 324064), (5125, 316160), (5200, 311600), (5248, 308750), (5330, 304000), (6080, 266500), (6175, 262400), (6232, 260000), (6400, 253175), (6500, 249280), (6560, 247000), (7600, 213200), (7790, 208000), (7904, 205000), (8000, 202540), (8125, 199424), (8200, 197600), (8320, 194750), (8528, 190000), (9500, 170560), (9880, 164000), (10000, 162032), (10127, 160000), (10250, 158080), (10400, 155800), (10496, 154375), (10660, 152000), (11875, 136448), (12160, 133250), (12350, 131200), (12464, 130000), (13000, 124640), (13120, 123500), (13325, 121600), (15200, 106600), (15580, 104000), (15808, 102500), (16000, 101270), (16250, 99712), (16400, 98800), (16640, 97375), (17056, 95000), (19000, 85280), (19475, 83200), (19760, 82000), (20000, 81016), (20254, 80000), (20500, 79040), (20800, 77900), (21320, 76000), (23750, 68224), (24320, 66625), (24700, 65600), (24928, 65000), (25625, 63232), (26000, 62320), (26240, 61750), (26650, 60800), (30400, 53300), (30875, 52480), (31160, 52000), (31616, 51250), (32000, 50635), (32500, 49856), (32800, 49400), (34112, 47500), (38000, 42640), (38950, 41600), (39520, 41000), (40000, 40508)]