20150988160

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{6949}}^1$

素因数の和:7188

約数の個数: 128

約数和(自身を含む): 50530392000

約数和(自身を除く): 30379403840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 197, 230, 320, 368, 394, 460, 640, 736, 788, 920, 985, 1472, 1576, 1840, 1970, 2944, 3152, 3680, 3940, 4531, 6304, 6949, 7360, 7880, 9062, 12608, 13898, 14720, 15760, 18124, 22655, 25216, 27796, 31520, 34745, 36248, 45310, 55592, 63040, 69490, 72496, 90620, 111184, 126080, 138980, 144992, 159827, 181240, 222368, 277960, 289984, 319654, 362480, 444736, 555920, 579968, 639308, 724960, 799135, 889472, 1111840, 1278616, 1368953, 1449920, 1598270, 2223680, 2557232, 2737906, 2899840, 3196540, 4447360, 5114464, 5475812, 6393080, 6844765, 10228928, 10951624, 12786160, 13689530, 20457856, 21903248, 25572320, 27379060, 31485919, 43806496, 51144640, 54758120, 62971838, 87612992, 102289280, 109516240, 125943676, 157429595, 175225984, 219032480, 251887352, 314859190, 438064960, 503774704, 629718380, 876129920, 1007549408, 1259436760, 2015098816, 2518873520, 4030197632, 5037747040, 10075494080, 20150988160]

約数ペア:

[(1, 20150988160), (2, 10075494080), (4, 5037747040), (5, 4030197632), (8, 2518873520), (10, 2015098816), (16, 1259436760), (20, 1007549408), (23, 876129920), (32, 629718380), (40, 503774704), (46, 438064960), (64, 314859190), (80, 251887352), (92, 219032480), (115, 175225984), (128, 157429595), (160, 125943676), (184, 109516240), (197, 102289280), (230, 87612992), (320, 62971838), (368, 54758120), (394, 51144640), (460, 43806496), (640, 31485919), (736, 27379060), (788, 25572320), (920, 21903248), (985, 20457856), (1472, 13689530), (1576, 12786160), (1840, 10951624), (1970, 10228928), (2944, 6844765), (3152, 6393080), (3680, 5475812), (3940, 5114464), (4531, 4447360), (6304, 3196540), (6949, 2899840), (7360, 2737906), (7880, 2557232), (9062, 2223680), (12608, 1598270), (13898, 1449920), (14720, 1368953), (15760, 1278616), (18124, 1111840), (22655, 889472), (25216, 799135), (27796, 724960), (31520, 639308), (34745, 579968), (36248, 555920), (45310, 444736), (55592, 362480), (63040, 319654), (69490, 289984), (72496, 277960), (90620, 222368), (111184, 181240), (126080, 159827), (138980, 144992)]