1628127680

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1409}}^1$

素因数の和:1606

約数の個数: 112

約数和(自身を含む): 4074200640

約数和(自身を除く): 2446072960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 157, 160, 184, 230, 314, 320, 368, 460, 628, 736, 785, 920, 1256, 1409, 1472, 1570, 1840, 2512, 2818, 3140, 3611, 3680, 5024, 5636, 6280, 7045, 7222, 7360, 10048, 11272, 12560, 14090, 14444, 18055, 22544, 25120, 28180, 28888, 32407, 36110, 45088, 50240, 56360, 57776, 64814, 72220, 90176, 112720, 115552, 129628, 144440, 162035, 221213, 225440, 231104, 259256, 288880, 324070, 442426, 450880, 518512, 577760, 648140, 884852, 1037024, 1106065, 1155520, 1296280, 1769704, 2074048, 2212130, 2592560, 3539408, 4424260, 5087899, 5185120, 7078816, 8848520, 10175798, 10370240, 14157632, 17697040, 20351596, 25439495, 35394080, 40703192, 50878990, 70788160, 81406384, 101757980, 162812768, 203515960, 325625536, 407031920, 814063840, 1628127680]

約数ペア:

[(1, 1628127680), (2, 814063840), (4, 407031920), (5, 325625536), (8, 203515960), (10, 162812768), (16, 101757980), (20, 81406384), (23, 70788160), (32, 50878990), (40, 40703192), (46, 35394080), (64, 25439495), (80, 20351596), (92, 17697040), (115, 14157632), (157, 10370240), (160, 10175798), (184, 8848520), (230, 7078816), (314, 5185120), (320, 5087899), (368, 4424260), (460, 3539408), (628, 2592560), (736, 2212130), (785, 2074048), (920, 1769704), (1256, 1296280), (1409, 1155520), (1472, 1106065), (1570, 1037024), (1840, 884852), (2512, 648140), (2818, 577760), (3140, 518512), (3611, 450880), (3680, 442426), (5024, 324070), (5636, 288880), (6280, 259256), (7045, 231104), (7222, 225440), (7360, 221213), (10048, 162035), (11272, 144440), (12560, 129628), (14090, 115552), (14444, 112720), (18055, 90176), (22544, 72220), (25120, 64814), (28180, 57776), (28888, 56360), (32407, 50240), (36110, 45088)]