128251760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:335

約数の個数: 160

約数和(自身を含む): 373309440

約数和(自身を除く): 245057680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 79, 80, 91, 104, 112, 130, 140, 158, 182, 208, 223, 260, 280, 316, 364, 395, 446, 455, 520, 553, 560, 632, 728, 790, 892, 910, 1027, 1040, 1106, 1115, 1264, 1456, 1561, 1580, 1784, 1820, 2054, 2212, 2230, 2765, 2899, 3122, 3160, 3568, 3640, 4108, 4424, 4460, 5135, 5530, 5798, 6244, 6320, 7189, 7280, 7805, 8216, 8848, 8920, 10270, 11060, 11596, 12488, 14378, 14495, 15610, 16432, 17617, 17840, 20293, 20540, 22120, 23192, 24976, 28756, 28990, 31220, 35234, 35945, 40586, 41080, 44240, 46384, 57512, 57980, 62440, 70468, 71890, 81172, 82160, 88085, 101465, 115024, 115960, 123319, 124880, 140936, 143780, 162344, 176170, 202930, 229021, 231920, 246638, 281872, 287560, 324688, 352340, 405860, 458042, 493276, 575120, 616595, 704680, 811720, 916084, 986552, 1145105, 1233190, 1409360, 1603147, 1623440, 1832168, 1973104, 2290210, 2466380, 3206294, 3664336, 4580420, 4932760, 6412588, 8015735, 9160840, 9865520, 12825176, 16031470, 18321680, 25650352, 32062940, 64125880, 128251760]

約数ペア:

[(1, 128251760), (2, 64125880), (4, 32062940), (5, 25650352), (7, 18321680), (8, 16031470), (10, 12825176), (13, 9865520), (14, 9160840), (16, 8015735), (20, 6412588), (26, 4932760), (28, 4580420), (35, 3664336), (40, 3206294), (52, 2466380), (56, 2290210), (65, 1973104), (70, 1832168), (79, 1623440), (80, 1603147), (91, 1409360), (104, 1233190), (112, 1145105), (130, 986552), (140, 916084), (158, 811720), (182, 704680), (208, 616595), (223, 575120), (260, 493276), (280, 458042), (316, 405860), (364, 352340), (395, 324688), (446, 287560), (455, 281872), (520, 246638), (553, 231920), (560, 229021), (632, 202930), (728, 176170), (790, 162344), (892, 143780), (910, 140936), (1027, 124880), (1040, 123319), (1106, 115960), (1115, 115024), (1264, 101465), (1456, 88085), (1561, 82160), (1580, 81172), (1784, 71890), (1820, 70468), (2054, 62440), (2212, 57980), (2230, 57512), (2765, 46384), (2899, 44240), (3122, 41080), (3160, 40586), (3568, 35945), (3640, 35234), (4108, 31220), (4424, 28990), (4460, 28756), (5135, 24976), (5530, 23192), (5798, 22120), (6244, 20540), (6320, 20293), (7189, 17840), (7280, 17617), (7805, 16432), (8216, 15610), (8848, 14495), (8920, 14378), (10270, 12488), (11060, 11596)]