1215671275

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^2$

素因数の和:150

約数の個数: 108

約数和(自身を含む): 2017756272

約数和(自身を除く): 802084997

約数列:

[1, 5, 7, 13, 17, 25, 35, 43, 65, 85, 91, 119, 175, 215, 221, 289, 301, 325, 425, 455, 559, 595, 731, 1075, 1105, 1445, 1505, 1547, 1849, 2023, 2275, 2795, 2975, 3655, 3757, 3913, 5117, 5525, 7225, 7525, 7735, 9245, 9503, 10115, 12427, 12943, 13975, 18275, 18785, 19565, 24037, 25585, 26299, 31433, 38675, 46225, 47515, 50575, 62135, 64715, 66521, 86989, 93925, 97825, 120185, 127925, 131495, 157165, 161551, 168259, 220031, 237575, 310675, 323575, 332605, 408629, 434945, 534361, 600925, 657475, 785825, 807755, 841295, 1100155, 1130857, 1663025, 2043145, 2174725, 2671805, 2860403, 3740527, 4038775, 4206475, 5500775, 5654285, 6946693, 10215725, 13359025, 14302015, 18702635, 28271425, 34733465, 48626851, 71510075, 93513175, 173667325, 243134255, 1215671275]

約数ペア:

[(1, 1215671275), (5, 243134255), (7, 173667325), (13, 93513175), (17, 71510075), (25, 48626851), (35, 34733465), (43, 28271425), (65, 18702635), (85, 14302015), (91, 13359025), (119, 10215725), (175, 6946693), (215, 5654285), (221, 5500775), (289, 4206475), (301, 4038775), (325, 3740527), (425, 2860403), (455, 2671805), (559, 2174725), (595, 2043145), (731, 1663025), (1075, 1130857), (1105, 1100155), (1445, 841295), (1505, 807755), (1547, 785825), (1849, 657475), (2023, 600925), (2275, 534361), (2795, 434945), (2975, 408629), (3655, 332605), (3757, 323575), (3913, 310675), (5117, 237575), (5525, 220031), (7225, 168259), (7525, 161551), (7735, 157165), (9245, 131495), (9503, 127925), (10115, 120185), (12427, 97825), (12943, 93925), (13975, 86989), (18275, 66521), (18785, 64715), (19565, 62135), (24037, 50575), (25585, 47515), (26299, 46225), (31433, 38675)]