28875780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2719}}^1$

素因数の和:2793

約数の個数: 72

約数和(自身を含む): 89107200

約数和(自身を除く): 60231420

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, 2719, 3540, 5310, 5438, 8157, 10620, 10876, 13595, 16314, 24471, 27190, 32628, 40785, 48942, 54380, 81570, 97884, 122355, 160421, 163140, 244710, 320842, 481263, 489420, 641684, 802105, 962526, 1443789, 1604210, 1925052, 2406315, 2887578, 3208420, 4812630, 5775156, 7218945, 9625260, 14437890, 28875780]

約数ペア:

[(1, 28875780), (2, 14437890), (3, 9625260), (4, 7218945), (5, 5775156), (6, 4812630), (9, 3208420), (10, 2887578), (12, 2406315), (15, 1925052), (18, 1604210), (20, 1443789), (30, 962526), (36, 802105), (45, 641684), (59, 489420), (60, 481263), (90, 320842), (118, 244710), (177, 163140), (180, 160421), (236, 122355), (295, 97884), (354, 81570), (531, 54380), (590, 48942), (708, 40785), (885, 32628), (1062, 27190), (1180, 24471), (1770, 16314), (2124, 13595), (2655, 10876), (2719, 10620), (3540, 8157), (5310, 5438)]