261823380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{607}}^1$

素因数の和:718

約数の個数: 192

約数和(自身を含む): 915210240

約数和(自身を除く): 653386860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 79, 84, 91, 105, 130, 140, 156, 158, 182, 195, 210, 237, 260, 273, 316, 364, 390, 395, 420, 455, 474, 546, 553, 607, 780, 790, 910, 948, 1027, 1092, 1106, 1185, 1214, 1365, 1580, 1659, 1820, 1821, 2054, 2212, 2370, 2428, 2730, 2765, 3035, 3081, 3318, 3642, 4108, 4249, 4740, 5135, 5460, 5530, 6070, 6162, 6636, 7189, 7284, 7891, 8295, 8498, 9105, 10270, 11060, 12140, 12324, 12747, 14378, 15405, 15782, 16590, 16996, 18210, 20540, 21245, 21567, 23673, 25494, 28756, 30810, 31564, 33180, 35945, 36420, 39455, 42490, 43134, 47346, 47953, 50988, 55237, 61620, 63735, 71890, 78910, 84980, 86268, 94692, 95906, 107835, 110474, 118365, 127470, 143780, 143859, 157820, 165711, 191812, 215670, 220948, 236730, 239765, 254940, 276185, 287718, 331422, 335671, 431340, 473460, 479530, 552370, 575436, 623389, 662844, 671342, 719295, 828555, 959060, 1007013, 1104740, 1246778, 1342684, 1438590, 1657110, 1678355, 1870167, 2014026, 2493556, 2877180, 3116945, 3314220, 3356710, 3740334, 4028052, 4363723, 5035065, 6233890, 6713420, 7480668, 8727446, 9350835, 10070130, 12467780, 13091169, 17454892, 18701670, 20140260, 21818615, 26182338, 37403340, 43637230, 52364676, 65455845, 87274460, 130911690, 261823380]

約数ペア:

[(1, 261823380), (2, 130911690), (3, 87274460), (4, 65455845), (5, 52364676), (6, 43637230), (7, 37403340), (10, 26182338), (12, 21818615), (13, 20140260), (14, 18701670), (15, 17454892), (20, 13091169), (21, 12467780), (26, 10070130), (28, 9350835), (30, 8727446), (35, 7480668), (39, 6713420), (42, 6233890), (52, 5035065), (60, 4363723), (65, 4028052), (70, 3740334), (78, 3356710), (79, 3314220), (84, 3116945), (91, 2877180), (105, 2493556), (130, 2014026), (140, 1870167), (156, 1678355), (158, 1657110), (182, 1438590), (195, 1342684), (210, 1246778), (237, 1104740), (260, 1007013), (273, 959060), (316, 828555), (364, 719295), (390, 671342), (395, 662844), (420, 623389), (455, 575436), (474, 552370), (546, 479530), (553, 473460), (607, 431340), (780, 335671), (790, 331422), (910, 287718), (948, 276185), (1027, 254940), (1092, 239765), (1106, 236730), (1185, 220948), (1214, 215670), (1365, 191812), (1580, 165711), (1659, 157820), (1820, 143859), (1821, 143780), (2054, 127470), (2212, 118365), (2370, 110474), (2428, 107835), (2730, 95906), (2765, 94692), (3035, 86268), (3081, 84980), (3318, 78910), (3642, 71890), (4108, 63735), (4249, 61620), (4740, 55237), (5135, 50988), (5460, 47953), (5530, 47346), (6070, 43134), (6162, 42490), (6636, 39455), (7189, 36420), (7284, 35945), (7891, 33180), (8295, 31564), (8498, 30810), (9105, 28756), (10270, 25494), (11060, 23673), (12140, 21567), (12324, 21245), (12747, 20540), (14378, 18210), (15405, 16996), (15782, 16590)]