72117760

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:244

約数の個数: 160

約数和(自身を含む): 204174432

約数和(自身を除く): 132056672

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 197, 208, 220, 256, 260, 286, 320, 352, 394, 416, 440, 512, 520, 572, 640, 704, 715, 788, 832, 880, 985, 1040, 1144, 1280, 1408, 1430, 1576, 1664, 1760, 1970, 2080, 2167, 2288, 2560, 2561, 2816, 2860, 3152, 3328, 3520, 3940, 4160, 4334, 4576, 5122, 5632, 5720, 6304, 6656, 7040, 7880, 8320, 8668, 9152, 10244, 10835, 11440, 12608, 12805, 14080, 15760, 16640, 17336, 18304, 20488, 21670, 22880, 25216, 25610, 28160, 28171, 31520, 33280, 34672, 36608, 40976, 43340, 45760, 50432, 51220, 56342, 63040, 69344, 73216, 81952, 86680, 91520, 100864, 102440, 112684, 126080, 138688, 140855, 163904, 173360, 183040, 204880, 225368, 252160, 277376, 281710, 327808, 346720, 366080, 409760, 450736, 504320, 554752, 563420, 655616, 693440, 819520, 901472, 1109504, 1126840, 1311232, 1386880, 1639040, 1802944, 2253680, 2773760, 3278080, 3605888, 4507360, 5547520, 6556160, 7211776, 9014720, 14423552, 18029440, 36058880, 72117760]

約数ペア:

[(1, 72117760), (2, 36058880), (4, 18029440), (5, 14423552), (8, 9014720), (10, 7211776), (11, 6556160), (13, 5547520), (16, 4507360), (20, 3605888), (22, 3278080), (26, 2773760), (32, 2253680), (40, 1802944), (44, 1639040), (52, 1386880), (55, 1311232), (64, 1126840), (65, 1109504), (80, 901472), (88, 819520), (104, 693440), (110, 655616), (128, 563420), (130, 554752), (143, 504320), (160, 450736), (176, 409760), (197, 366080), (208, 346720), (220, 327808), (256, 281710), (260, 277376), (286, 252160), (320, 225368), (352, 204880), (394, 183040), (416, 173360), (440, 163904), (512, 140855), (520, 138688), (572, 126080), (640, 112684), (704, 102440), (715, 100864), (788, 91520), (832, 86680), (880, 81952), (985, 73216), (1040, 69344), (1144, 63040), (1280, 56342), (1408, 51220), (1430, 50432), (1576, 45760), (1664, 43340), (1760, 40976), (1970, 36608), (2080, 34672), (2167, 33280), (2288, 31520), (2560, 28171), (2561, 28160), (2816, 25610), (2860, 25216), (3152, 22880), (3328, 21670), (3520, 20488), (3940, 18304), (4160, 17336), (4334, 16640), (4576, 15760), (5122, 14080), (5632, 12805), (5720, 12608), (6304, 11440), (6656, 10835), (7040, 10244), (7880, 9152), (8320, 8668)]