220182180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 629354880

約数和(自身を除く): 409172700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 131, 218, 257, 262, 327, 393, 436, 514, 524, 545, 654, 655, 771, 786, 1028, 1090, 1285, 1308, 1310, 1542, 1572, 1635, 1965, 2180, 2570, 2620, 3084, 3270, 3855, 3930, 5140, 6540, 7710, 7860, 14279, 15420, 28013, 28558, 33667, 42837, 56026, 57116, 67334, 71395, 84039, 85674, 101001, 112052, 134668, 140065, 142790, 168078, 168335, 171348, 202002, 214185, 280130, 285580, 336156, 336670, 404004, 420195, 428370, 505005, 560260, 673340, 840390, 856740, 1010010, 1680780, 2020020, 3669703, 7339406, 11009109, 14678812, 18348515, 22018218, 36697030, 44036436, 55045545, 73394060, 110091090, 220182180]

約数ペア:

[(1, 220182180), (2, 110091090), (3, 73394060), (4, 55045545), (5, 44036436), (6, 36697030), (10, 22018218), (12, 18348515), (15, 14678812), (20, 11009109), (30, 7339406), (60, 3669703), (109, 2020020), (131, 1680780), (218, 1010010), (257, 856740), (262, 840390), (327, 673340), (393, 560260), (436, 505005), (514, 428370), (524, 420195), (545, 404004), (654, 336670), (655, 336156), (771, 285580), (786, 280130), (1028, 214185), (1090, 202002), (1285, 171348), (1308, 168335), (1310, 168078), (1542, 142790), (1572, 140065), (1635, 134668), (1965, 112052), (2180, 101001), (2570, 85674), (2620, 84039), (3084, 71395), (3270, 67334), (3855, 57116), (3930, 56026), (5140, 42837), (6540, 33667), (7710, 28558), (7860, 28013), (14279, 15420)]