18061680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:863

約数の個数: 160

約数和(自身を含む): 68995584

約数和(自身を除く): 50933904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 827, 840, 910, 1040, 1092, 1365, 1456, 1560, 1654, 1680, 1820, 2184, 2481, 2730, 3120, 3308, 3640, 4135, 4368, 4962, 5460, 5789, 6616, 7280, 8270, 9924, 10751, 10920, 11578, 12405, 13232, 16540, 17367, 19848, 21502, 21840, 23156, 24810, 28945, 32253, 33080, 34734, 39696, 43004, 46312, 49620, 53755, 57890, 64506, 66160, 69468, 75257, 86008, 86835, 92624, 99240, 107510, 115780, 129012, 138936, 150514, 161265, 172016, 173670, 198480, 215020, 225771, 231560, 258024, 277872, 301028, 322530, 347340, 376285, 430040, 451542, 463120, 516048, 602056, 645060, 694680, 752570, 860080, 903084, 1128855, 1204112, 1290120, 1389360, 1505140, 1806168, 2257710, 2580240, 3010280, 3612336, 4515420, 6020560, 9030840, 18061680]

約数ペア:

[(1, 18061680), (2, 9030840), (3, 6020560), (4, 4515420), (5, 3612336), (6, 3010280), (7, 2580240), (8, 2257710), (10, 1806168), (12, 1505140), (13, 1389360), (14, 1290120), (15, 1204112), (16, 1128855), (20, 903084), (21, 860080), (24, 752570), (26, 694680), (28, 645060), (30, 602056), (35, 516048), (39, 463120), (40, 451542), (42, 430040), (48, 376285), (52, 347340), (56, 322530), (60, 301028), (65, 277872), (70, 258024), (78, 231560), (80, 225771), (84, 215020), (91, 198480), (104, 173670), (105, 172016), (112, 161265), (120, 150514), (130, 138936), (140, 129012), (156, 115780), (168, 107510), (182, 99240), (195, 92624), (208, 86835), (210, 86008), (240, 75257), (260, 69468), (273, 66160), (280, 64506), (312, 57890), (336, 53755), (364, 49620), (390, 46312), (420, 43004), (455, 39696), (520, 34734), (546, 33080), (560, 32253), (624, 28945), (728, 24810), (780, 23156), (827, 21840), (840, 21502), (910, 19848), (1040, 17367), (1092, 16540), (1365, 13232), (1456, 12405), (1560, 11578), (1654, 10920), (1680, 10751), (1820, 9924), (2184, 8270), (2481, 7280), (2730, 6616), (3120, 5789), (3308, 5460), (3640, 4962), (4135, 4368)]