31403340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2957}}^1$

素因数の和:3031

約数の個数: 72

約数和(自身を含む): 96904080

約数和(自身を除く): 65500740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 2957, 3540, 5310, 5914, 8871, 10620, 11828, 14785, 17742, 26613, 29570, 35484, 44355, 53226, 59140, 88710, 106452, 133065, 174463, 177420, 266130, 348926, 523389, 532260, 697852, 872315, 1046778, 1570167, 1744630, 2093556, 2616945, 3140334, 3489260, 5233890, 6280668, 7850835, 10467780, 15701670, 31403340]

約数ペア:

[(1, 31403340), (2, 15701670), (3, 10467780), (4, 7850835), (5, 6280668), (6, 5233890), (9, 3489260), (10, 3140334), (12, 2616945), (15, 2093556), (18, 1744630), (20, 1570167), (30, 1046778), (36, 872315), (45, 697852), (59, 532260), (60, 523389), (90, 348926), (118, 266130), (177, 177420), (180, 174463), (236, 133065), (295, 106452), (354, 88710), (531, 59140), (590, 53226), (708, 44355), (885, 35484), (1062, 29570), (1180, 26613), (1770, 17742), (2124, 14785), (2655, 11828), (2957, 10620), (3540, 8871), (5310, 5914)]