77776380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3571}}^1$

素因数の和:3608

約数の個数: 108

約数和(自身を含む): 259391496

約数和(自身を除く): 181615116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3571, 3630, 4356, 5445, 7142, 7260, 10713, 10890, 14284, 17855, 21426, 21780, 32139, 35710, 39281, 42852, 53565, 64278, 71420, 78562, 107130, 117843, 128556, 157124, 160695, 196405, 214260, 235686, 321390, 353529, 392810, 432091, 471372, 589215, 642780, 707058, 785620, 864182, 1178430, 1296273, 1414116, 1728364, 1767645, 2160455, 2356860, 2592546, 3535290, 3888819, 4320910, 5185092, 6481365, 7070580, 7777638, 8641820, 12962730, 15555276, 19444095, 25925460, 38888190, 77776380]

約数ペア:

[(1, 77776380), (2, 38888190), (3, 25925460), (4, 19444095), (5, 15555276), (6, 12962730), (9, 8641820), (10, 7777638), (11, 7070580), (12, 6481365), (15, 5185092), (18, 4320910), (20, 3888819), (22, 3535290), (30, 2592546), (33, 2356860), (36, 2160455), (44, 1767645), (45, 1728364), (55, 1414116), (60, 1296273), (66, 1178430), (90, 864182), (99, 785620), (110, 707058), (121, 642780), (132, 589215), (165, 471372), (180, 432091), (198, 392810), (220, 353529), (242, 321390), (330, 235686), (363, 214260), (396, 196405), (484, 160695), (495, 157124), (605, 128556), (660, 117843), (726, 107130), (990, 78562), (1089, 71420), (1210, 64278), (1452, 53565), (1815, 42852), (1980, 39281), (2178, 35710), (2420, 32139), (3571, 21780), (3630, 21426), (4356, 17855), (5445, 14284), (7142, 10890), (7260, 10713)]