7761780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 26417664

約数和(自身を除く): 18655884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 107, 117, 124, 130, 155, 156, 180, 186, 195, 214, 234, 260, 279, 310, 321, 372, 390, 403, 428, 465, 468, 535, 558, 585, 620, 642, 780, 806, 930, 963, 1070, 1116, 1170, 1209, 1284, 1391, 1395, 1605, 1612, 1860, 1926, 2015, 2140, 2340, 2418, 2782, 2790, 3210, 3317, 3627, 3852, 4030, 4173, 4815, 4836, 5564, 5580, 6045, 6420, 6634, 6955, 7254, 8060, 8346, 9630, 9951, 12090, 12519, 13268, 13910, 14508, 16585, 16692, 18135, 19260, 19902, 20865, 24180, 25038, 27820, 29853, 33170, 36270, 39804, 41730, 43121, 49755, 50076, 59706, 62595, 66340, 72540, 83460, 86242, 99510, 119412, 125190, 129363, 149265, 172484, 199020, 215605, 250380, 258726, 298530, 388089, 431210, 517452, 597060, 646815, 776178, 862420, 1293630, 1552356, 1940445, 2587260, 3880890, 7761780]

約数ペア:

[(1, 7761780), (2, 3880890), (3, 2587260), (4, 1940445), (5, 1552356), (6, 1293630), (9, 862420), (10, 776178), (12, 646815), (13, 597060), (15, 517452), (18, 431210), (20, 388089), (26, 298530), (30, 258726), (31, 250380), (36, 215605), (39, 199020), (45, 172484), (52, 149265), (60, 129363), (62, 125190), (65, 119412), (78, 99510), (90, 86242), (93, 83460), (107, 72540), (117, 66340), (124, 62595), (130, 59706), (155, 50076), (156, 49755), (180, 43121), (186, 41730), (195, 39804), (214, 36270), (234, 33170), (260, 29853), (279, 27820), (310, 25038), (321, 24180), (372, 20865), (390, 19902), (403, 19260), (428, 18135), (465, 16692), (468, 16585), (535, 14508), (558, 13910), (585, 13268), (620, 12519), (642, 12090), (780, 9951), (806, 9630), (930, 8346), (963, 8060), (1070, 7254), (1116, 6955), (1170, 6634), (1209, 6420), (1284, 6045), (1391, 5580), (1395, 5564), (1605, 4836), (1612, 4815), (1860, 4173), (1926, 4030), (2015, 3852), (2140, 3627), (2340, 3317), (2418, 3210), (2782, 2790)]