821753940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{1733}}^1$

素因数の和:2881

約数の個数: 96

約数和(自身を含む): 2633460480

約数和(自身を除く): 1811706540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1129, 1733, 2258, 3387, 3466, 4516, 5199, 5645, 6774, 6932, 7903, 8665, 10398, 11290, 12131, 13548, 15806, 16935, 17330, 20796, 22580, 23709, 24262, 25995, 31612, 33870, 34660, 36393, 39515, 47418, 48524, 51990, 60655, 67740, 72786, 79030, 94836, 103980, 118545, 121310, 145572, 158060, 181965, 237090, 242620, 363930, 474180, 727860, 1956557, 3913114, 5869671, 7826228, 9782785, 11739342, 13695899, 19565570, 23478684, 27391798, 29348355, 39131140, 41087697, 54783596, 58696710, 68479495, 82175394, 117393420, 136958990, 164350788, 205438485, 273917980, 410876970, 821753940]

約数ペア:

[(1, 821753940), (2, 410876970), (3, 273917980), (4, 205438485), (5, 164350788), (6, 136958990), (7, 117393420), (10, 82175394), (12, 68479495), (14, 58696710), (15, 54783596), (20, 41087697), (21, 39131140), (28, 29348355), (30, 27391798), (35, 23478684), (42, 19565570), (60, 13695899), (70, 11739342), (84, 9782785), (105, 7826228), (140, 5869671), (210, 3913114), (420, 1956557), (1129, 727860), (1733, 474180), (2258, 363930), (3387, 242620), (3466, 237090), (4516, 181965), (5199, 158060), (5645, 145572), (6774, 121310), (6932, 118545), (7903, 103980), (8665, 94836), (10398, 79030), (11290, 72786), (12131, 67740), (13548, 60655), (15806, 51990), (16935, 48524), (17330, 47418), (20796, 39515), (22580, 36393), (23709, 34660), (24262, 33870), (25995, 31612)]