446940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 1467648

約数和(自身を除く): 1020708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 191, 195, 234, 260, 382, 390, 468, 573, 585, 764, 780, 955, 1146, 1170, 1719, 1910, 2292, 2340, 2483, 2865, 3438, 3820, 4966, 5730, 6876, 7449, 8595, 9932, 11460, 12415, 14898, 17190, 22347, 24830, 29796, 34380, 37245, 44694, 49660, 74490, 89388, 111735, 148980, 223470, 446940]

約数ペア:

[(1, 446940), (2, 223470), (3, 148980), (4, 111735), (5, 89388), (6, 74490), (9, 49660), (10, 44694), (12, 37245), (13, 34380), (15, 29796), (18, 24830), (20, 22347), (26, 17190), (30, 14898), (36, 12415), (39, 11460), (45, 9932), (52, 8595), (60, 7449), (65, 6876), (78, 5730), (90, 4966), (117, 3820), (130, 3438), (156, 2865), (180, 2483), (191, 2340), (195, 2292), (234, 1910), (260, 1719), (382, 1170), (390, 1146), (468, 955), (573, 780), (585, 764)]