2080800120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{3659}}^1$

素因数の和:4357

約数の個数: 128

約数和(自身を含む): 7146662400

約数和(自身を除く): 5065862280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 677, 840, 1354, 2031, 2708, 3385, 3659, 4062, 4739, 5416, 6770, 7318, 8124, 9478, 10155, 10977, 13540, 14217, 14636, 16248, 18295, 18956, 20310, 21954, 23695, 25613, 27080, 28434, 29272, 36590, 37912, 40620, 43908, 47390, 51226, 54885, 56868, 71085, 73180, 76839, 81240, 87816, 94780, 102452, 109770, 113736, 128065, 142170, 146360, 153678, 189560, 204904, 219540, 256130, 284340, 307356, 384195, 439080, 512260, 568680, 614712, 768390, 1024520, 1536780, 2477143, 3073560, 4954286, 7431429, 9908572, 12385715, 14862858, 17340001, 19817144, 24771430, 29725716, 34680002, 37157145, 49542860, 52020003, 59451432, 69360004, 74314290, 86700005, 99085720, 104040006, 138720008, 148628580, 173400010, 208080012, 260100015, 297257160, 346800020, 416160024, 520200030, 693600040, 1040400060, 2080800120]

約数ペア:

[(1, 2080800120), (2, 1040400060), (3, 693600040), (4, 520200030), (5, 416160024), (6, 346800020), (7, 297257160), (8, 260100015), (10, 208080012), (12, 173400010), (14, 148628580), (15, 138720008), (20, 104040006), (21, 99085720), (24, 86700005), (28, 74314290), (30, 69360004), (35, 59451432), (40, 52020003), (42, 49542860), (56, 37157145), (60, 34680002), (70, 29725716), (84, 24771430), (105, 19817144), (120, 17340001), (140, 14862858), (168, 12385715), (210, 9908572), (280, 7431429), (420, 4954286), (677, 3073560), (840, 2477143), (1354, 1536780), (2031, 1024520), (2708, 768390), (3385, 614712), (3659, 568680), (4062, 512260), (4739, 439080), (5416, 384195), (6770, 307356), (7318, 284340), (8124, 256130), (9478, 219540), (10155, 204904), (10977, 189560), (13540, 153678), (14217, 146360), (14636, 142170), (16248, 128065), (18295, 113736), (18956, 109770), (20310, 102452), (21954, 94780), (23695, 87816), (25613, 81240), (27080, 76839), (28434, 73180), (29272, 71085), (36590, 56868), (37912, 54885), (40620, 51226), (43908, 47390)]