161261380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:629

約数の個数: 96

約数和(自身を含む): 405780480

約数和(自身を除く): 244519100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 73, 124, 140, 146, 155, 217, 292, 310, 365, 434, 509, 511, 620, 730, 868, 1018, 1022, 1085, 1460, 2036, 2044, 2170, 2263, 2545, 2555, 3563, 4340, 4526, 5090, 5110, 7126, 9052, 10180, 10220, 11315, 14252, 15779, 15841, 17815, 22630, 31558, 31682, 35630, 37157, 45260, 63116, 63364, 71260, 74314, 78895, 79205, 110453, 148628, 157790, 158410, 185785, 220906, 260099, 315580, 316820, 371570, 441812, 520198, 552265, 743140, 1040396, 1104530, 1151867, 1300495, 2209060, 2303734, 2600990, 4607468, 5201980, 5759335, 8063069, 11518670, 16126138, 23037340, 32252276, 40315345, 80630690, 161261380]

約数ペア:

[(1, 161261380), (2, 80630690), (4, 40315345), (5, 32252276), (7, 23037340), (10, 16126138), (14, 11518670), (20, 8063069), (28, 5759335), (31, 5201980), (35, 4607468), (62, 2600990), (70, 2303734), (73, 2209060), (124, 1300495), (140, 1151867), (146, 1104530), (155, 1040396), (217, 743140), (292, 552265), (310, 520198), (365, 441812), (434, 371570), (509, 316820), (511, 315580), (620, 260099), (730, 220906), (868, 185785), (1018, 158410), (1022, 157790), (1085, 148628), (1460, 110453), (2036, 79205), (2044, 78895), (2170, 74314), (2263, 71260), (2545, 63364), (2555, 63116), (3563, 45260), (4340, 37157), (4526, 35630), (5090, 31682), (5110, 31558), (7126, 22630), (9052, 17815), (10180, 15841), (10220, 15779), (11315, 14252)]