12961260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 44029440

約数和(自身を除く): 31068180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 191, 195, 234, 260, 261, 290, 348, 377, 382, 390, 435, 468, 522, 573, 580, 585, 754, 764, 780, 870, 955, 1044, 1131, 1146, 1170, 1305, 1508, 1719, 1740, 1885, 1910, 2262, 2292, 2340, 2483, 2610, 2865, 3393, 3438, 3770, 3820, 4524, 4966, 5220, 5539, 5655, 5730, 6786, 6876, 7449, 7540, 8595, 9932, 11078, 11310, 11460, 12415, 13572, 14898, 16617, 16965, 17190, 22156, 22347, 22620, 24830, 27695, 29796, 33234, 33930, 34380, 37245, 44694, 49660, 49851, 55390, 66468, 67860, 72007, 74490, 83085, 89388, 99702, 110780, 111735, 144014, 148980, 166170, 199404, 216021, 223470, 249255, 288028, 332340, 360035, 432042, 446940, 498510, 648063, 720070, 864084, 997020, 1080105, 1296126, 1440140, 2160210, 2592252, 3240315, 4320420, 6480630, 12961260]

約数ペア:

[(1, 12961260), (2, 6480630), (3, 4320420), (4, 3240315), (5, 2592252), (6, 2160210), (9, 1440140), (10, 1296126), (12, 1080105), (13, 997020), (15, 864084), (18, 720070), (20, 648063), (26, 498510), (29, 446940), (30, 432042), (36, 360035), (39, 332340), (45, 288028), (52, 249255), (58, 223470), (60, 216021), (65, 199404), (78, 166170), (87, 148980), (90, 144014), (116, 111735), (117, 110780), (130, 99702), (145, 89388), (156, 83085), (174, 74490), (180, 72007), (191, 67860), (195, 66468), (234, 55390), (260, 49851), (261, 49660), (290, 44694), (348, 37245), (377, 34380), (382, 33930), (390, 33234), (435, 29796), (468, 27695), (522, 24830), (573, 22620), (580, 22347), (585, 22156), (754, 17190), (764, 16965), (780, 16617), (870, 14898), (955, 13572), (1044, 12415), (1131, 11460), (1146, 11310), (1170, 11078), (1305, 9932), (1508, 8595), (1719, 7540), (1740, 7449), (1885, 6876), (1910, 6786), (2262, 5730), (2292, 5655), (2340, 5539), (2483, 5220), (2610, 4966), (2865, 4524), (3393, 3820), (3438, 3770)]