724489740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1621}}^1$

素因数の和:1840

約数の個数: 144

約数和(自身を含む): 2380525056

約数和(自身を除く): 1656035316

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, 1621, 1719, 1910, 2292, 2340, 2483, 2865, 3242, 3438, 3820, 4863, 4966, 5730, 6484, 6876, 7449, 8105, 8595, 9726, 9932, 11460, 12415, 14589, 14898, 16210, 17190, 19452, 21073, 22347, 24315, 24830, 29178, 29796, 32420, 34380, 37245, 42146, 44694, 48630, 49660, 58356, 63219, 72945, 74490, 84292, 89388, 97260, 105365, 111735, 126438, 145890, 148980, 189657, 210730, 223470, 252876, 291780, 309611, 316095, 379314, 421460, 446940, 619222, 632190, 758628, 928833, 948285, 1238444, 1264380, 1548055, 1857666, 1896570, 2786499, 3096110, 3715332, 3793140, 4024943, 4644165, 5572998, 6192220, 8049886, 9288330, 11145996, 12074829, 13932495, 16099772, 18576660, 20124715, 24149658, 27864990, 36224487, 40249430, 48299316, 55729980, 60374145, 72448974, 80498860, 120748290, 144897948, 181122435, 241496580, 362244870, 724489740]

約数ペア:

[(1, 724489740), (2, 362244870), (3, 241496580), (4, 181122435), (5, 144897948), (6, 120748290), (9, 80498860), (10, 72448974), (12, 60374145), (13, 55729980), (15, 48299316), (18, 40249430), (20, 36224487), (26, 27864990), (30, 24149658), (36, 20124715), (39, 18576660), (45, 16099772), (52, 13932495), (60, 12074829), (65, 11145996), (78, 9288330), (90, 8049886), (117, 6192220), (130, 5572998), (156, 4644165), (180, 4024943), (191, 3793140), (195, 3715332), (234, 3096110), (260, 2786499), (382, 1896570), (390, 1857666), (468, 1548055), (573, 1264380), (585, 1238444), (764, 948285), (780, 928833), (955, 758628), (1146, 632190), (1170, 619222), (1621, 446940), (1719, 421460), (1910, 379314), (2292, 316095), (2340, 309611), (2483, 291780), (2865, 252876), (3242, 223470), (3438, 210730), (3820, 189657), (4863, 148980), (4966, 145890), (5730, 126438), (6484, 111735), (6876, 105365), (7449, 97260), (8105, 89388), (8595, 84292), (9726, 74490), (9932, 72945), (11460, 63219), (12415, 58356), (14589, 49660), (14898, 48630), (16210, 44694), (17190, 42146), (19452, 37245), (21073, 34380), (22347, 32420), (24315, 29796), (24830, 29178)]