128626760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 323326080

約数和(自身を除く): 194699320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 53, 68, 83, 85, 86, 106, 136, 166, 170, 172, 212, 215, 265, 332, 340, 344, 415, 424, 430, 530, 664, 680, 731, 830, 860, 901, 1060, 1411, 1462, 1660, 1720, 1802, 2120, 2279, 2822, 2924, 3320, 3569, 3604, 3655, 4399, 4505, 4558, 5644, 5848, 7055, 7138, 7208, 7310, 8798, 9010, 9116, 11288, 11395, 14110, 14276, 14620, 17596, 17845, 18020, 18232, 21995, 22790, 28220, 28552, 29240, 35192, 35690, 36040, 38743, 43990, 45580, 56440, 60673, 71380, 74783, 77486, 87980, 91160, 121346, 142760, 149566, 154972, 175960, 189157, 193715, 242692, 299132, 303365, 309944, 373915, 378314, 387430, 485384, 598264, 606730, 747830, 756628, 774860, 945785, 1213460, 1495660, 1513256, 1549720, 1891570, 2426920, 2991320, 3215669, 3783140, 6431338, 7566280, 12862676, 16078345, 25725352, 32156690, 64313380, 128626760]

約数ペア:

[(1, 128626760), (2, 64313380), (4, 32156690), (5, 25725352), (8, 16078345), (10, 12862676), (17, 7566280), (20, 6431338), (34, 3783140), (40, 3215669), (43, 2991320), (53, 2426920), (68, 1891570), (83, 1549720), (85, 1513256), (86, 1495660), (106, 1213460), (136, 945785), (166, 774860), (170, 756628), (172, 747830), (212, 606730), (215, 598264), (265, 485384), (332, 387430), (340, 378314), (344, 373915), (415, 309944), (424, 303365), (430, 299132), (530, 242692), (664, 193715), (680, 189157), (731, 175960), (830, 154972), (860, 149566), (901, 142760), (1060, 121346), (1411, 91160), (1462, 87980), (1660, 77486), (1720, 74783), (1802, 71380), (2120, 60673), (2279, 56440), (2822, 45580), (2924, 43990), (3320, 38743), (3569, 36040), (3604, 35690), (3655, 35192), (4399, 29240), (4505, 28552), (4558, 28220), (5644, 22790), (5848, 21995), (7055, 18232), (7138, 18020), (7208, 17845), (7310, 17596), (8798, 14620), (9010, 14276), (9116, 14110), (11288, 11395)]