80521740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2647}}^1$

素因数の和:2688

約数の個数: 108

約数和(自身を含む): 264582864

約数和(自身を除く): 184061124

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, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1170, 1521, 1690, 2028, 2340, 2535, 2647, 3042, 3380, 5070, 5294, 6084, 7605, 7941, 10140, 10588, 13235, 15210, 15882, 23823, 26470, 30420, 31764, 34411, 39705, 47646, 52940, 68822, 79410, 95292, 103233, 119115, 137644, 158820, 172055, 206466, 238230, 309699, 344110, 412932, 447343, 476460, 516165, 619398, 688220, 894686, 1032330, 1238796, 1342029, 1548495, 1789372, 2064660, 2236715, 2684058, 3096990, 4026087, 4473430, 5368116, 6193980, 6710145, 8052174, 8946860, 13420290, 16104348, 20130435, 26840580, 40260870, 80521740]

約数ペア:

[(1, 80521740), (2, 40260870), (3, 26840580), (4, 20130435), (5, 16104348), (6, 13420290), (9, 8946860), (10, 8052174), (12, 6710145), (13, 6193980), (15, 5368116), (18, 4473430), (20, 4026087), (26, 3096990), (30, 2684058), (36, 2236715), (39, 2064660), (45, 1789372), (52, 1548495), (60, 1342029), (65, 1238796), (78, 1032330), (90, 894686), (117, 688220), (130, 619398), (156, 516165), (169, 476460), (180, 447343), (195, 412932), (234, 344110), (260, 309699), (338, 238230), (390, 206466), (468, 172055), (507, 158820), (585, 137644), (676, 119115), (780, 103233), (845, 95292), (1014, 79410), (1170, 68822), (1521, 52940), (1690, 47646), (2028, 39705), (2340, 34411), (2535, 31764), (2647, 30420), (3042, 26470), (3380, 23823), (5070, 15882), (5294, 15210), (6084, 13235), (7605, 10588), (7941, 10140)]