1491521640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{769}}^1\times {\mathrm{2309}}^1$

素因数の和:3099

約数の個数: 128

約数和(自身を含む): 5122656000

約数和(自身を除く): 3631134360

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, 769, 840, 1538, 2307, 2309, 3076, 3845, 4614, 4618, 5383, 6152, 6927, 7690, 9228, 9236, 10766, 11535, 11545, 13854, 15380, 16149, 16163, 18456, 18472, 21532, 23070, 23090, 26915, 27708, 30760, 32298, 32326, 34635, 43064, 46140, 46180, 48489, 53830, 55416, 64596, 64652, 69270, 80745, 80815, 92280, 92360, 96978, 107660, 129192, 129304, 138540, 161490, 161630, 193956, 215320, 242445, 277080, 322980, 323260, 387912, 484890, 645960, 646520, 969780, 1775621, 1939560, 3551242, 5326863, 7102484, 8878105, 10653726, 12429347, 14204968, 17756210, 21307452, 24858694, 26634315, 35512420, 37288041, 42614904, 49717388, 53268630, 62146735, 71024840, 74576082, 99434776, 106537260, 124293470, 149152164, 186440205, 213074520, 248586940, 298304328, 372880410, 497173880, 745760820, 1491521640]

約数ペア:

[(1, 1491521640), (2, 745760820), (3, 497173880), (4, 372880410), (5, 298304328), (6, 248586940), (7, 213074520), (8, 186440205), (10, 149152164), (12, 124293470), (14, 106537260), (15, 99434776), (20, 74576082), (21, 71024840), (24, 62146735), (28, 53268630), (30, 49717388), (35, 42614904), (40, 37288041), (42, 35512420), (56, 26634315), (60, 24858694), (70, 21307452), (84, 17756210), (105, 14204968), (120, 12429347), (140, 10653726), (168, 8878105), (210, 7102484), (280, 5326863), (420, 3551242), (769, 1939560), (840, 1775621), (1538, 969780), (2307, 646520), (2309, 645960), (3076, 484890), (3845, 387912), (4614, 323260), (4618, 322980), (5383, 277080), (6152, 242445), (6927, 215320), (7690, 193956), (9228, 161630), (9236, 161490), (10766, 138540), (11535, 129304), (11545, 129192), (13854, 107660), (15380, 96978), (16149, 92360), (16163, 92280), (18456, 80815), (18472, 80745), (21532, 69270), (23070, 64652), (23090, 64596), (26915, 55416), (27708, 53830), (30760, 48489), (32298, 46180), (32326, 46140), (34635, 43064)]