90993420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:560

約数の個数: 144

約数和(自身を含む): 317798208

約数和(自身を除く): 226804788

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 257, 281, 315, 420, 514, 562, 630, 771, 843, 1028, 1124, 1260, 1285, 1405, 1542, 1686, 1799, 1967, 2313, 2529, 2570, 2810, 3084, 3372, 3598, 3855, 3934, 4215, 4626, 5058, 5140, 5397, 5620, 5901, 7196, 7710, 7868, 8430, 8995, 9252, 9835, 10116, 10794, 11565, 11802, 12645, 15420, 16191, 16860, 17703, 17990, 19670, 21588, 23130, 23604, 25290, 26985, 29505, 32382, 35406, 35980, 39340, 46260, 50580, 53970, 59010, 64764, 70812, 72217, 80955, 88515, 107940, 118020, 144434, 161910, 177030, 216651, 288868, 323820, 354060, 361085, 433302, 505519, 649953, 722170, 866604, 1011038, 1083255, 1299906, 1444340, 1516557, 2022076, 2166510, 2527595, 2599812, 3033114, 3249765, 4333020, 4549671, 5055190, 6066228, 6499530, 7582785, 9099342, 10110380, 12999060, 15165570, 18198684, 22748355, 30331140, 45496710, 90993420]

約数ペア:

[(1, 90993420), (2, 45496710), (3, 30331140), (4, 22748355), (5, 18198684), (6, 15165570), (7, 12999060), (9, 10110380), (10, 9099342), (12, 7582785), (14, 6499530), (15, 6066228), (18, 5055190), (20, 4549671), (21, 4333020), (28, 3249765), (30, 3033114), (35, 2599812), (36, 2527595), (42, 2166510), (45, 2022076), (60, 1516557), (63, 1444340), (70, 1299906), (84, 1083255), (90, 1011038), (105, 866604), (126, 722170), (140, 649953), (180, 505519), (210, 433302), (252, 361085), (257, 354060), (281, 323820), (315, 288868), (420, 216651), (514, 177030), (562, 161910), (630, 144434), (771, 118020), (843, 107940), (1028, 88515), (1124, 80955), (1260, 72217), (1285, 70812), (1405, 64764), (1542, 59010), (1686, 53970), (1799, 50580), (1967, 46260), (2313, 39340), (2529, 35980), (2570, 35406), (2810, 32382), (3084, 29505), (3372, 26985), (3598, 25290), (3855, 23604), (3934, 23130), (4215, 21588), (4626, 19670), (5058, 17990), (5140, 17703), (5397, 16860), (5620, 16191), (5901, 15420), (7196, 12645), (7710, 11802), (7868, 11565), (8430, 10794), (8995, 10116), (9252, 9835)]