66639420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7877}}^1$

素因数の和:7939

約数の個数: 72

約数和(自身を含む): 206466624

約数和(自身を除く): 139827204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 7877, 8460, 15754, 23631, 31508, 39385, 47262, 70893, 78770, 94524, 118155, 141786, 157540, 236310, 283572, 354465, 370219, 472620, 708930, 740438, 1110657, 1417860, 1480876, 1851095, 2221314, 3331971, 3702190, 4442628, 5553285, 6663942, 7404380, 11106570, 13327884, 16659855, 22213140, 33319710, 66639420]

約数ペア:

[(1, 66639420), (2, 33319710), (3, 22213140), (4, 16659855), (5, 13327884), (6, 11106570), (9, 7404380), (10, 6663942), (12, 5553285), (15, 4442628), (18, 3702190), (20, 3331971), (30, 2221314), (36, 1851095), (45, 1480876), (47, 1417860), (60, 1110657), (90, 740438), (94, 708930), (141, 472620), (180, 370219), (188, 354465), (235, 283572), (282, 236310), (423, 157540), (470, 141786), (564, 118155), (705, 94524), (846, 78770), (940, 70893), (1410, 47262), (1692, 39385), (2115, 31508), (2820, 23631), (4230, 15754), (7877, 8460)]