2015718180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^2\times {\mathrm{769}}^1$

素因数の和:946

約数の個数: 144

約数和(自身を含む): 6541476480

約数和(自身を除く): 4525758300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 79, 84, 105, 140, 158, 210, 237, 316, 395, 420, 474, 553, 769, 790, 948, 1106, 1185, 1538, 1580, 1659, 2212, 2307, 2370, 2765, 3076, 3318, 3845, 4614, 4740, 5383, 5530, 6241, 6636, 7690, 8295, 9228, 10766, 11060, 11535, 12482, 15380, 16149, 16590, 18723, 21532, 23070, 24964, 26915, 31205, 32298, 33180, 37446, 43687, 46140, 53830, 60751, 62410, 64596, 74892, 80745, 87374, 93615, 107660, 121502, 124820, 131061, 161490, 174748, 182253, 187230, 218435, 243004, 262122, 303755, 322980, 364506, 374460, 425257, 436870, 524244, 607510, 655305, 729012, 850514, 873740, 911265, 1215020, 1275771, 1310610, 1701028, 1822530, 2126285, 2551542, 2621220, 3645060, 4252570, 4799329, 5103084, 6378855, 8505140, 9598658, 12757710, 14397987, 19197316, 23996645, 25515420, 28795974, 33595303, 47993290, 57591948, 67190606, 71989935, 95986580, 100785909, 134381212, 143979870, 167976515, 201571818, 287959740, 335953030, 403143636, 503929545, 671906060, 1007859090, 2015718180]

約数ペア:

[(1, 2015718180), (2, 1007859090), (3, 671906060), (4, 503929545), (5, 403143636), (6, 335953030), (7, 287959740), (10, 201571818), (12, 167976515), (14, 143979870), (15, 134381212), (20, 100785909), (21, 95986580), (28, 71989935), (30, 67190606), (35, 57591948), (42, 47993290), (60, 33595303), (70, 28795974), (79, 25515420), (84, 23996645), (105, 19197316), (140, 14397987), (158, 12757710), (210, 9598658), (237, 8505140), (316, 6378855), (395, 5103084), (420, 4799329), (474, 4252570), (553, 3645060), (769, 2621220), (790, 2551542), (948, 2126285), (1106, 1822530), (1185, 1701028), (1538, 1310610), (1580, 1275771), (1659, 1215020), (2212, 911265), (2307, 873740), (2370, 850514), (2765, 729012), (3076, 655305), (3318, 607510), (3845, 524244), (4614, 436870), (4740, 425257), (5383, 374460), (5530, 364506), (6241, 322980), (6636, 303755), (7690, 262122), (8295, 243004), (9228, 218435), (10766, 187230), (11060, 182253), (11535, 174748), (12482, 161490), (15380, 131061), (16149, 124820), (16590, 121502), (18723, 107660), (21532, 93615), (23070, 87374), (24964, 80745), (26915, 74892), (31205, 64596), (32298, 62410), (33180, 60751), (37446, 53830), (43687, 46140)]