648128000

素因数分解:

$2^9\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:106

約数の個数: 320

約数和(自身を含む): 1876754880

約数和(自身を除く): 1228626880

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, 512, 520, 533, 608, 640, 650, 656, 760, 779, 800, 820, 832, 950, 988, 1000, 1025, 1040, 1066, 1216, 1235, 1280, 1300, 1312, 1520, 1558, 1600, 1625, 1640, 1664, 1900, 1976, 2000, 2050, 2080, 2132, 2375, 2432, 2470, 2560, 2600, 2624, 2665, 3040, 3116, 3200, 3250, 3280, 3328, 3800, 3895, 3952, 4000, 4100, 4160, 4264, 4750, 4864, 4940, 5125, 5200, 5248, 5330, 6080, 6175, 6232, 6400, 6500, 6560, 6656, 7600, 7790, 7904, 8000, 8200, 8320, 8528, 9500, 9728, 9880, 10127, 10250, 10400, 10496, 10660, 12160, 12350, 12464, 12800, 13000, 13120, 13325, 15200, 15580, 15808, 16000, 16400, 16640, 17056, 19000, 19475, 19760, 20254, 20500, 20800, 20992, 21320, 24320, 24700, 24928, 26000, 26240, 26650, 30400, 30875, 31160, 31616, 32000, 32800, 33280, 34112, 38000, 38950, 39520, 40508, 41000, 41600, 42640, 48640, 49400, 49856, 50635, 52000, 52480, 53300, 60800, 61750, 62320, 63232, 64000, 65600, 66625, 68224, 76000, 77900, 79040, 81016, 82000, 83200, 85280, 97375, 98800, 99712, 101270, 104000, 104960, 106600, 121600, 123500, 124640, 126464, 131200, 133250, 136448, 152000, 155800, 158080, 162032, 164000, 166400, 170560, 194750, 197600, 199424, 202540, 208000, 213200, 243200, 247000, 249280, 253175, 262400, 266500, 272896, 304000, 311600, 316160, 324064, 328000, 341120, 389500, 395200, 398848, 405080, 416000, 426400, 494000, 498560, 506350, 524800, 533000, 608000, 623200, 632320, 648128, 656000, 682240, 779000, 790400, 810160, 832000, 852800, 988000, 997120, 1012700, 1066000, 1216000, 1246400, 1265875, 1296256, 1312000, 1364480, 1558000, 1580800, 1620320, 1705600, 1976000, 1994240, 2025400, 2132000, 2492800, 2531750, 2592512, 2624000, 3116000, 3161600, 3240640, 3411200, 3952000, 4050800, 4264000, 4985600, 5063500, 5185024, 6232000, 6481280, 6822400, 7904000, 8101600, 8528000, 9971200, 10127000, 12464000, 12962560, 15808000, 16203200, 17056000, 20254000, 24928000, 25925120, 32406400, 34112000, 40508000, 49856000, 64812800, 81016000, 129625600, 162032000, 324064000, 648128000]

約数ペア:

[(1, 648128000), (2, 324064000), (4, 162032000), (5, 129625600), (8, 81016000), (10, 64812800), (13, 49856000), (16, 40508000), (19, 34112000), (20, 32406400), (25, 25925120), (26, 24928000), (32, 20254000), (38, 17056000), (40, 16203200), (41, 15808000), (50, 12962560), (52, 12464000), (64, 10127000), (65, 9971200), (76, 8528000), (80, 8101600), (82, 7904000), (95, 6822400), (100, 6481280), (104, 6232000), (125, 5185024), (128, 5063500), (130, 4985600), (152, 4264000), (160, 4050800), (164, 3952000), (190, 3411200), (200, 3240640), (205, 3161600), (208, 3116000), (247, 2624000), (250, 2592512), (256, 2531750), (260, 2492800), (304, 2132000), (320, 2025400), (325, 1994240), (328, 1976000), (380, 1705600), (400, 1620320), (410, 1580800), (416, 1558000), (475, 1364480), (494, 1312000), (500, 1296256), (512, 1265875), (520, 1246400), (533, 1216000), (608, 1066000), (640, 1012700), (650, 997120), (656, 988000), (760, 852800), (779, 832000), (800, 810160), (820, 790400), (832, 779000), (950, 682240), (988, 656000), (1000, 648128), (1025, 632320), (1040, 623200), (1066, 608000), (1216, 533000), (1235, 524800), (1280, 506350), (1300, 498560), (1312, 494000), (1520, 426400), (1558, 416000), (1600, 405080), (1625, 398848), (1640, 395200), (1664, 389500), (1900, 341120), (1976, 328000), (2000, 324064), (2050, 316160), (2080, 311600), (2132, 304000), (2375, 272896), (2432, 266500), (2470, 262400), (2560, 253175), (2600, 249280), (2624, 247000), (2665, 243200), (3040, 213200), (3116, 208000), (3200, 202540), (3250, 199424), (3280, 197600), (3328, 194750), (3800, 170560), (3895, 166400), (3952, 164000), (4000, 162032), (4100, 158080), (4160, 155800), (4264, 152000), (4750, 136448), (4864, 133250), (4940, 131200), (5125, 126464), (5200, 124640), (5248, 123500), (5330, 121600), (6080, 106600), (6175, 104960), (6232, 104000), (6400, 101270), (6500, 99712), (6560, 98800), (6656, 97375), (7600, 85280), (7790, 83200), (7904, 82000), (8000, 81016), (8200, 79040), (8320, 77900), (8528, 76000), (9500, 68224), (9728, 66625), (9880, 65600), (10127, 64000), (10250, 63232), (10400, 62320), (10496, 61750), (10660, 60800), (12160, 53300), (12350, 52480), (12464, 52000), (12800, 50635), (13000, 49856), (13120, 49400), (13325, 48640), (15200, 42640), (15580, 41600), (15808, 41000), (16000, 40508), (16400, 39520), (16640, 38950), (17056, 38000), (19000, 34112), (19475, 33280), (19760, 32800), (20254, 32000), (20500, 31616), (20800, 31160), (20992, 30875), (21320, 30400), (24320, 26650), (24700, 26240), (24928, 26000)]