260130780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15881}}^1$

素因数の和:15916

約数の個数: 144

約数和(自身を含む): 971216064

約数和(自身を除く): 711085284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 15881, 16380, 31762, 47643, 63524, 79405, 95286, 111167, 142929, 158810, 190572, 206453, 222334, 238215, 285858, 317620, 333501, 412906, 444668, 476430, 555835, 571716, 619359, 667002, 714645, 825812, 952860, 1000503, 1032265, 1111670, 1238718, 1334004, 1429290, 1445171, 1667505, 1858077, 2001006, 2064530, 2223340, 2477436, 2858580, 2890342, 3096795, 3335010, 3716154, 4002012, 4129060, 4335513, 5002515, 5780684, 6193590, 6670020, 7225855, 7432308, 8671026, 9290385, 10005030, 12387180, 13006539, 14451710, 17342052, 18580770, 20010060, 21677565, 26013078, 28903420, 37161540, 43355130, 52026156, 65032695, 86710260, 130065390, 260130780]

約数ペア:

[(1, 260130780), (2, 130065390), (3, 86710260), (4, 65032695), (5, 52026156), (6, 43355130), (7, 37161540), (9, 28903420), (10, 26013078), (12, 21677565), (13, 20010060), (14, 18580770), (15, 17342052), (18, 14451710), (20, 13006539), (21, 12387180), (26, 10005030), (28, 9290385), (30, 8671026), (35, 7432308), (36, 7225855), (39, 6670020), (42, 6193590), (45, 5780684), (52, 5002515), (60, 4335513), (63, 4129060), (65, 4002012), (70, 3716154), (78, 3335010), (84, 3096795), (90, 2890342), (91, 2858580), (105, 2477436), (117, 2223340), (126, 2064530), (130, 2001006), (140, 1858077), (156, 1667505), (180, 1445171), (182, 1429290), (195, 1334004), (210, 1238718), (234, 1111670), (252, 1032265), (260, 1000503), (273, 952860), (315, 825812), (364, 714645), (390, 667002), (420, 619359), (455, 571716), (468, 555835), (546, 476430), (585, 444668), (630, 412906), (780, 333501), (819, 317620), (910, 285858), (1092, 238215), (1170, 222334), (1260, 206453), (1365, 190572), (1638, 158810), (1820, 142929), (2340, 111167), (2730, 95286), (3276, 79405), (4095, 63524), (5460, 47643), (8190, 31762), (15881, 16380)]