161814420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:710

約数の個数: 144

約数和(自身を含む): 518289408

約数和(自身を除く): 356474988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 47, 60, 62, 90, 93, 94, 124, 141, 155, 180, 186, 188, 235, 279, 282, 310, 372, 423, 465, 470, 558, 564, 617, 620, 705, 846, 930, 940, 1116, 1234, 1395, 1410, 1457, 1692, 1851, 1860, 2115, 2468, 2790, 2820, 2914, 3085, 3702, 4230, 4371, 5553, 5580, 5828, 6170, 7285, 7404, 8460, 8742, 9255, 11106, 12340, 13113, 14570, 17484, 18510, 19127, 21855, 22212, 26226, 27765, 28999, 29140, 37020, 38254, 43710, 52452, 55530, 57381, 57998, 65565, 76508, 86997, 87420, 95635, 111060, 114762, 115996, 131130, 144995, 172143, 173994, 191270, 229524, 260991, 262260, 286905, 289990, 344286, 347988, 382540, 434985, 521982, 573810, 579980, 688572, 860715, 869970, 898969, 1043964, 1147620, 1304955, 1721430, 1739940, 1797938, 2609910, 2696907, 3442860, 3595876, 4494845, 5219820, 5393814, 8090721, 8989690, 10787628, 13484535, 16181442, 17979380, 26969070, 32362884, 40453605, 53938140, 80907210, 161814420]

約数ペア:

[(1, 161814420), (2, 80907210), (3, 53938140), (4, 40453605), (5, 32362884), (6, 26969070), (9, 17979380), (10, 16181442), (12, 13484535), (15, 10787628), (18, 8989690), (20, 8090721), (30, 5393814), (31, 5219820), (36, 4494845), (45, 3595876), (47, 3442860), (60, 2696907), (62, 2609910), (90, 1797938), (93, 1739940), (94, 1721430), (124, 1304955), (141, 1147620), (155, 1043964), (180, 898969), (186, 869970), (188, 860715), (235, 688572), (279, 579980), (282, 573810), (310, 521982), (372, 434985), (423, 382540), (465, 347988), (470, 344286), (558, 289990), (564, 286905), (617, 262260), (620, 260991), (705, 229524), (846, 191270), (930, 173994), (940, 172143), (1116, 144995), (1234, 131130), (1395, 115996), (1410, 114762), (1457, 111060), (1692, 95635), (1851, 87420), (1860, 86997), (2115, 76508), (2468, 65565), (2790, 57998), (2820, 57381), (2914, 55530), (3085, 52452), (3702, 43710), (4230, 38254), (4371, 37020), (5553, 29140), (5580, 28999), (5828, 27765), (6170, 26226), (7285, 22212), (7404, 21855), (8460, 19127), (8742, 18510), (9255, 17484), (11106, 14570), (12340, 13113)]