291275880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2647}}^1$

素因数の和:2799

約数の個数: 128

約数和(自身を含む): 1006663680

約数和(自身を除く): 715387800

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, 131, 140, 168, 210, 262, 280, 393, 420, 524, 655, 786, 840, 917, 1048, 1310, 1572, 1834, 1965, 2620, 2647, 2751, 3144, 3668, 3930, 4585, 5240, 5294, 5502, 7336, 7860, 7941, 9170, 10588, 11004, 13235, 13755, 15720, 15882, 18340, 18529, 21176, 22008, 26470, 27510, 31764, 36680, 37058, 39705, 52940, 55020, 55587, 63528, 74116, 79410, 92645, 105880, 110040, 111174, 148232, 158820, 185290, 222348, 277935, 317640, 346757, 370580, 444696, 555870, 693514, 741160, 1040271, 1111740, 1387028, 1733785, 2080542, 2223480, 2427299, 2774056, 3467570, 4161084, 4854598, 5201355, 6935140, 7281897, 8322168, 9709196, 10402710, 12136495, 13870280, 14563794, 19418392, 20805420, 24272990, 29127588, 36409485, 41610840, 48545980, 58255176, 72818970, 97091960, 145637940, 291275880]

約数ペア:

[(1, 291275880), (2, 145637940), (3, 97091960), (4, 72818970), (5, 58255176), (6, 48545980), (7, 41610840), (8, 36409485), (10, 29127588), (12, 24272990), (14, 20805420), (15, 19418392), (20, 14563794), (21, 13870280), (24, 12136495), (28, 10402710), (30, 9709196), (35, 8322168), (40, 7281897), (42, 6935140), (56, 5201355), (60, 4854598), (70, 4161084), (84, 3467570), (105, 2774056), (120, 2427299), (131, 2223480), (140, 2080542), (168, 1733785), (210, 1387028), (262, 1111740), (280, 1040271), (393, 741160), (420, 693514), (524, 555870), (655, 444696), (786, 370580), (840, 346757), (917, 317640), (1048, 277935), (1310, 222348), (1572, 185290), (1834, 158820), (1965, 148232), (2620, 111174), (2647, 110040), (2751, 105880), (3144, 92645), (3668, 79410), (3930, 74116), (4585, 63528), (5240, 55587), (5294, 55020), (5502, 52940), (7336, 39705), (7860, 37058), (7941, 36680), (9170, 31764), (10588, 27510), (11004, 26470), (13235, 22008), (13755, 21176), (15720, 18529), (15882, 18340)]