161890680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6217}}^1$

素因数の和:6269

約数の個数: 128

約数和(自身を含む): 573050880

約数和(自身を除く): 411160200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6217, 6510, 8680, 12434, 13020, 18651, 24868, 26040, 31085, 37302, 43519, 49736, 62170, 74604, 87038, 93255, 124340, 130557, 149208, 174076, 186510, 192727, 217595, 248680, 261114, 348152, 373020, 385454, 435190, 522228, 578181, 652785, 746040, 770908, 870380, 963635, 1044456, 1156362, 1305570, 1349089, 1541816, 1740760, 1927270, 2312724, 2611140, 2698178, 2890905, 3854540, 4047267, 4625448, 5222280, 5396356, 5781810, 6745445, 7709080, 8094534, 10792712, 11563620, 13490890, 16189068, 20236335, 23127240, 26981780, 32378136, 40472670, 53963560, 80945340, 161890680]

約数ペア:

[(1, 161890680), (2, 80945340), (3, 53963560), (4, 40472670), (5, 32378136), (6, 26981780), (7, 23127240), (8, 20236335), (10, 16189068), (12, 13490890), (14, 11563620), (15, 10792712), (20, 8094534), (21, 7709080), (24, 6745445), (28, 5781810), (30, 5396356), (31, 5222280), (35, 4625448), (40, 4047267), (42, 3854540), (56, 2890905), (60, 2698178), (62, 2611140), (70, 2312724), (84, 1927270), (93, 1740760), (105, 1541816), (120, 1349089), (124, 1305570), (140, 1156362), (155, 1044456), (168, 963635), (186, 870380), (210, 770908), (217, 746040), (248, 652785), (280, 578181), (310, 522228), (372, 435190), (420, 385454), (434, 373020), (465, 348152), (620, 261114), (651, 248680), (744, 217595), (840, 192727), (868, 186510), (930, 174076), (1085, 149208), (1240, 130557), (1302, 124340), (1736, 93255), (1860, 87038), (2170, 74604), (2604, 62170), (3255, 49736), (3720, 43519), (4340, 37302), (5208, 31085), (6217, 26040), (6510, 24868), (8680, 18651), (12434, 13020)]