81505200

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:372

約数の個数: 240

約数和(自身を含む): 308996096

約数和(自身を除く): 227490896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 31, 35, 40, 42, 48, 50, 56, 60, 62, 70, 75, 80, 84, 93, 100, 105, 112, 120, 124, 140, 150, 155, 168, 175, 186, 200, 210, 217, 240, 248, 280, 300, 310, 313, 336, 350, 372, 400, 420, 434, 465, 496, 525, 560, 600, 620, 626, 651, 700, 744, 775, 840, 868, 930, 939, 1050, 1085, 1200, 1240, 1252, 1302, 1400, 1488, 1550, 1565, 1680, 1736, 1860, 1878, 2100, 2170, 2191, 2325, 2480, 2504, 2604, 2800, 3100, 3130, 3255, 3472, 3720, 3756, 4200, 4340, 4382, 4650, 4695, 5008, 5208, 5425, 6200, 6260, 6510, 6573, 7440, 7512, 7825, 8400, 8680, 8764, 9300, 9390, 9703, 10416, 10850, 10955, 12400, 12520, 13020, 13146, 15024, 15650, 16275, 17360, 17528, 18600, 18780, 19406, 21700, 21910, 23475, 25040, 26040, 26292, 29109, 31300, 32550, 32865, 35056, 37200, 37560, 38812, 43400, 43820, 46950, 48515, 52080, 52584, 54775, 58218, 62600, 65100, 65730, 67921, 75120, 77624, 86800, 87640, 93900, 97030, 105168, 109550, 116436, 125200, 130200, 131460, 135842, 145545, 155248, 164325, 175280, 187800, 194060, 203763, 219100, 232872, 242575, 260400, 262920, 271684, 291090, 328650, 339605, 375600, 388120, 407526, 438200, 465744, 485150, 525840, 543368, 582180, 657300, 679210, 727725, 776240, 815052, 876400, 970300, 1018815, 1086736, 1164360, 1314600, 1358420, 1455450, 1630104, 1698025, 1940600, 2037630, 2328720, 2629200, 2716840, 2910900, 3260208, 3396050, 3881200, 4075260, 5094075, 5433680, 5821800, 6792100, 8150520, 10188150, 11643600, 13584200, 16301040, 20376300, 27168400, 40752600, 81505200]

約数ペア:

[(1, 81505200), (2, 40752600), (3, 27168400), (4, 20376300), (5, 16301040), (6, 13584200), (7, 11643600), (8, 10188150), (10, 8150520), (12, 6792100), (14, 5821800), (15, 5433680), (16, 5094075), (20, 4075260), (21, 3881200), (24, 3396050), (25, 3260208), (28, 2910900), (30, 2716840), (31, 2629200), (35, 2328720), (40, 2037630), (42, 1940600), (48, 1698025), (50, 1630104), (56, 1455450), (60, 1358420), (62, 1314600), (70, 1164360), (75, 1086736), (80, 1018815), (84, 970300), (93, 876400), (100, 815052), (105, 776240), (112, 727725), (120, 679210), (124, 657300), (140, 582180), (150, 543368), (155, 525840), (168, 485150), (175, 465744), (186, 438200), (200, 407526), (210, 388120), (217, 375600), (240, 339605), (248, 328650), (280, 291090), (300, 271684), (310, 262920), (313, 260400), (336, 242575), (350, 232872), (372, 219100), (400, 203763), (420, 194060), (434, 187800), (465, 175280), (496, 164325), (525, 155248), (560, 145545), (600, 135842), (620, 131460), (626, 130200), (651, 125200), (700, 116436), (744, 109550), (775, 105168), (840, 97030), (868, 93900), (930, 87640), (939, 86800), (1050, 77624), (1085, 75120), (1200, 67921), (1240, 65730), (1252, 65100), (1302, 62600), (1400, 58218), (1488, 54775), (1550, 52584), (1565, 52080), (1680, 48515), (1736, 46950), (1860, 43820), (1878, 43400), (2100, 38812), (2170, 37560), (2191, 37200), (2325, 35056), (2480, 32865), (2504, 32550), (2604, 31300), (2800, 29109), (3100, 26292), (3130, 26040), (3255, 25040), (3472, 23475), (3720, 21910), (3756, 21700), (4200, 19406), (4340, 18780), (4382, 18600), (4650, 17528), (4695, 17360), (5008, 16275), (5208, 15650), (5425, 15024), (6200, 13146), (6260, 13020), (6510, 12520), (6573, 12400), (7440, 10955), (7512, 10850), (7825, 10416), (8400, 9703), (8680, 9390), (8764, 9300)]