40644960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{293}}^1$

素因数の和:345

約数の個数: 144

約数和(自身を含む): 136470096

約数和(自身を除く): 95825136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 289, 293, 340, 408, 480, 510, 544, 578, 586, 680, 816, 867, 879, 1020, 1156, 1172, 1360, 1445, 1465, 1632, 1734, 1758, 2040, 2312, 2344, 2720, 2890, 2930, 3468, 3516, 4080, 4335, 4395, 4624, 4688, 4981, 5780, 5860, 6936, 7032, 8160, 8670, 8790, 9248, 9376, 9962, 11560, 11720, 13872, 14064, 14943, 17340, 17580, 19924, 23120, 23440, 24905, 27744, 28128, 29886, 34680, 35160, 39848, 46240, 46880, 49810, 59772, 69360, 70320, 74715, 79696, 84677, 99620, 119544, 138720, 140640, 149430, 159392, 169354, 199240, 239088, 254031, 298860, 338708, 398480, 423385, 478176, 508062, 597720, 677416, 796960, 846770, 1016124, 1195440, 1270155, 1354832, 1693540, 2032248, 2390880, 2540310, 2709664, 3387080, 4064496, 5080620, 6774160, 8128992, 10161240, 13548320, 20322480, 40644960]

約数ペア:

[(1, 40644960), (2, 20322480), (3, 13548320), (4, 10161240), (5, 8128992), (6, 6774160), (8, 5080620), (10, 4064496), (12, 3387080), (15, 2709664), (16, 2540310), (17, 2390880), (20, 2032248), (24, 1693540), (30, 1354832), (32, 1270155), (34, 1195440), (40, 1016124), (48, 846770), (51, 796960), (60, 677416), (68, 597720), (80, 508062), (85, 478176), (96, 423385), (102, 398480), (120, 338708), (136, 298860), (160, 254031), (170, 239088), (204, 199240), (240, 169354), (255, 159392), (272, 149430), (289, 140640), (293, 138720), (340, 119544), (408, 99620), (480, 84677), (510, 79696), (544, 74715), (578, 70320), (586, 69360), (680, 59772), (816, 49810), (867, 46880), (879, 46240), (1020, 39848), (1156, 35160), (1172, 34680), (1360, 29886), (1445, 28128), (1465, 27744), (1632, 24905), (1734, 23440), (1758, 23120), (2040, 19924), (2312, 17580), (2344, 17340), (2720, 14943), (2890, 14064), (2930, 13872), (3468, 11720), (3516, 11560), (4080, 9962), (4335, 9376), (4395, 9248), (4624, 8790), (4688, 8670), (4981, 8160), (5780, 7032), (5860, 6936)]