156629840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^2$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 402583608

約数和(自身を除く): 245953768

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 53, 68, 80, 82, 85, 106, 136, 164, 170, 205, 212, 265, 272, 328, 340, 410, 424, 530, 656, 680, 697, 820, 848, 901, 1060, 1360, 1394, 1640, 1802, 2120, 2173, 2788, 2809, 3280, 3485, 3604, 4240, 4346, 4505, 5576, 5618, 6970, 7208, 8692, 9010, 10865, 11152, 11236, 13940, 14045, 14416, 17384, 18020, 21730, 22472, 27880, 28090, 34768, 36040, 36941, 43460, 44944, 47753, 55760, 56180, 72080, 73882, 86920, 95506, 112360, 115169, 147764, 173840, 184705, 191012, 224720, 230338, 238765, 295528, 369410, 382024, 460676, 477530, 575845, 591056, 738820, 764048, 921352, 955060, 1151690, 1477640, 1842704, 1910120, 1957873, 2303380, 2955280, 3820240, 3915746, 4606760, 7831492, 9213520, 9789365, 15662984, 19578730, 31325968, 39157460, 78314920, 156629840]

約数ペア:

[(1, 156629840), (2, 78314920), (4, 39157460), (5, 31325968), (8, 19578730), (10, 15662984), (16, 9789365), (17, 9213520), (20, 7831492), (34, 4606760), (40, 3915746), (41, 3820240), (53, 2955280), (68, 2303380), (80, 1957873), (82, 1910120), (85, 1842704), (106, 1477640), (136, 1151690), (164, 955060), (170, 921352), (205, 764048), (212, 738820), (265, 591056), (272, 575845), (328, 477530), (340, 460676), (410, 382024), (424, 369410), (530, 295528), (656, 238765), (680, 230338), (697, 224720), (820, 191012), (848, 184705), (901, 173840), (1060, 147764), (1360, 115169), (1394, 112360), (1640, 95506), (1802, 86920), (2120, 73882), (2173, 72080), (2788, 56180), (2809, 55760), (3280, 47753), (3485, 44944), (3604, 43460), (4240, 36941), (4346, 36040), (4505, 34768), (5576, 28090), (5618, 27880), (6970, 22472), (7208, 21730), (8692, 18020), (9010, 17384), (10865, 14416), (11152, 14045), (11236, 13940)]