31929690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 90316800

約数和(自身を除く): 58387110

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 31, 38, 39, 57, 62, 65, 78, 93, 95, 114, 130, 139, 155, 186, 190, 195, 247, 278, 285, 310, 390, 403, 417, 465, 494, 570, 589, 695, 741, 806, 834, 930, 1178, 1209, 1235, 1390, 1482, 1767, 1807, 2015, 2085, 2418, 2470, 2641, 2945, 3534, 3614, 3705, 4030, 4170, 4309, 5282, 5421, 5890, 6045, 7410, 7657, 7923, 8618, 8835, 9035, 10842, 12090, 12927, 13205, 15314, 15846, 17670, 18070, 21545, 22971, 25854, 26410, 27105, 34333, 38285, 39615, 43090, 45942, 54210, 56017, 64635, 68666, 76570, 79230, 81871, 102999, 112034, 114855, 129270, 163742, 168051, 171665, 205998, 229710, 245613, 280085, 336102, 343330, 409355, 491226, 514995, 560170, 818710, 840255, 1029990, 1064323, 1228065, 1680510, 2128646, 2456130, 3192969, 5321615, 6385938, 10643230, 15964845, 31929690]

約数ペア:

[(1, 31929690), (2, 15964845), (3, 10643230), (5, 6385938), (6, 5321615), (10, 3192969), (13, 2456130), (15, 2128646), (19, 1680510), (26, 1228065), (30, 1064323), (31, 1029990), (38, 840255), (39, 818710), (57, 560170), (62, 514995), (65, 491226), (78, 409355), (93, 343330), (95, 336102), (114, 280085), (130, 245613), (139, 229710), (155, 205998), (186, 171665), (190, 168051), (195, 163742), (247, 129270), (278, 114855), (285, 112034), (310, 102999), (390, 81871), (403, 79230), (417, 76570), (465, 68666), (494, 64635), (570, 56017), (589, 54210), (695, 45942), (741, 43090), (806, 39615), (834, 38285), (930, 34333), (1178, 27105), (1209, 26410), (1235, 25854), (1390, 22971), (1482, 21545), (1767, 18070), (1807, 17670), (2015, 15846), (2085, 15314), (2418, 13205), (2470, 12927), (2641, 12090), (2945, 10842), (3534, 9035), (3614, 8835), (3705, 8618), (4030, 7923), (4170, 7657), (4309, 7410), (5282, 6045), (5421, 5890)]