205654020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2179}}^1$

素因数の和:2226

約数の個数: 144

約数和(自身を含む): 681938880

約数和(自身を除く): 476284860

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 121, 130, 132, 143, 156, 165, 195, 220, 242, 260, 286, 330, 363, 390, 429, 484, 572, 605, 660, 715, 726, 780, 858, 1210, 1430, 1452, 1573, 1716, 1815, 2145, 2179, 2420, 2860, 3146, 3630, 4290, 4358, 4719, 6292, 6537, 7260, 7865, 8580, 8716, 9438, 10895, 13074, 15730, 18876, 21790, 23595, 23969, 26148, 28327, 31460, 32685, 43580, 47190, 47938, 56654, 65370, 71907, 84981, 94380, 95876, 113308, 119845, 130740, 141635, 143814, 169962, 239690, 263659, 283270, 287628, 311597, 339924, 359535, 424905, 479380, 527318, 566540, 623194, 719070, 790977, 849810, 934791, 1054636, 1246388, 1318295, 1438140, 1557985, 1581954, 1699620, 1869582, 2636590, 3115970, 3163908, 3427567, 3739164, 3954885, 4673955, 5273180, 6231940, 6855134, 7909770, 9347910, 10282701, 13710268, 15819540, 17137835, 18695820, 20565402, 34275670, 41130804, 51413505, 68551340, 102827010, 205654020]

約数ペア:

[(1, 205654020), (2, 102827010), (3, 68551340), (4, 51413505), (5, 41130804), (6, 34275670), (10, 20565402), (11, 18695820), (12, 17137835), (13, 15819540), (15, 13710268), (20, 10282701), (22, 9347910), (26, 7909770), (30, 6855134), (33, 6231940), (39, 5273180), (44, 4673955), (52, 3954885), (55, 3739164), (60, 3427567), (65, 3163908), (66, 3115970), (78, 2636590), (110, 1869582), (121, 1699620), (130, 1581954), (132, 1557985), (143, 1438140), (156, 1318295), (165, 1246388), (195, 1054636), (220, 934791), (242, 849810), (260, 790977), (286, 719070), (330, 623194), (363, 566540), (390, 527318), (429, 479380), (484, 424905), (572, 359535), (605, 339924), (660, 311597), (715, 287628), (726, 283270), (780, 263659), (858, 239690), (1210, 169962), (1430, 143814), (1452, 141635), (1573, 130740), (1716, 119845), (1815, 113308), (2145, 95876), (2179, 94380), (2420, 84981), (2860, 71907), (3146, 65370), (3630, 56654), (4290, 47938), (4358, 47190), (4719, 43580), (6292, 32685), (6537, 31460), (7260, 28327), (7865, 26148), (8580, 23969), (8716, 23595), (9438, 21790), (10895, 18876), (13074, 15730)]