2087280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 7582848

約数和(自身を除く): 5495568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 223, 234, 240, 260, 312, 360, 390, 446, 468, 520, 585, 624, 669, 720, 780, 892, 936, 1040, 1115, 1170, 1338, 1560, 1784, 1872, 2007, 2230, 2340, 2676, 2899, 3120, 3345, 3568, 4014, 4460, 4680, 5352, 5798, 6690, 8028, 8697, 8920, 9360, 10035, 10704, 11596, 13380, 14495, 16056, 17394, 17840, 20070, 23192, 26091, 26760, 28990, 32112, 34788, 40140, 43485, 46384, 52182, 53520, 57980, 69576, 80280, 86970, 104364, 115960, 130455, 139152, 160560, 173940, 208728, 231920, 260910, 347880, 417456, 521820, 695760, 1043640, 2087280]

約数ペア:

[(1, 2087280), (2, 1043640), (3, 695760), (4, 521820), (5, 417456), (6, 347880), (8, 260910), (9, 231920), (10, 208728), (12, 173940), (13, 160560), (15, 139152), (16, 130455), (18, 115960), (20, 104364), (24, 86970), (26, 80280), (30, 69576), (36, 57980), (39, 53520), (40, 52182), (45, 46384), (48, 43485), (52, 40140), (60, 34788), (65, 32112), (72, 28990), (78, 26760), (80, 26091), (90, 23192), (104, 20070), (117, 17840), (120, 17394), (130, 16056), (144, 14495), (156, 13380), (180, 11596), (195, 10704), (208, 10035), (223, 9360), (234, 8920), (240, 8697), (260, 8028), (312, 6690), (360, 5798), (390, 5352), (446, 4680), (468, 4460), (520, 4014), (585, 3568), (624, 3345), (669, 3120), (720, 2899), (780, 2676), (892, 2340), (936, 2230), (1040, 2007), (1115, 1872), (1170, 1784), (1338, 1560)]