681616716

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:876

約数の個数: 144

約数和(自身を含む): 1901921280

約数和(自身を除く): 1220304564

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 31, 33, 38, 44, 57, 62, 66, 76, 93, 114, 121, 124, 132, 186, 209, 228, 242, 341, 363, 372, 418, 484, 589, 627, 682, 726, 797, 836, 1023, 1178, 1254, 1364, 1452, 1594, 1767, 2046, 2299, 2356, 2391, 2508, 3188, 3534, 3751, 4092, 4598, 4782, 6479, 6897, 7068, 7502, 8767, 9196, 9564, 11253, 12958, 13794, 15004, 15143, 17534, 19437, 22506, 24707, 25916, 26301, 27588, 30286, 35068, 38874, 45012, 45429, 49414, 52602, 60572, 71269, 74121, 77748, 90858, 96437, 98828, 105204, 142538, 148242, 166573, 181716, 192874, 213807, 271777, 285076, 289311, 296484, 333146, 385748, 427614, 469433, 499719, 543554, 578622, 666292, 815331, 855228, 938866, 999438, 1087108, 1157244, 1408299, 1630662, 1832303, 1877732, 1998876, 2816598, 2989547, 3261324, 3664606, 5163763, 5496909, 5633196, 5979094, 7329212, 8968641, 10327526, 10993818, 11958188, 15491289, 17937282, 20655052, 21987636, 30982578, 35874564, 56801393, 61965156, 113602786, 170404179, 227205572, 340808358, 681616716]

約数ペア:

[(1, 681616716), (2, 340808358), (3, 227205572), (4, 170404179), (6, 113602786), (11, 61965156), (12, 56801393), (19, 35874564), (22, 30982578), (31, 21987636), (33, 20655052), (38, 17937282), (44, 15491289), (57, 11958188), (62, 10993818), (66, 10327526), (76, 8968641), (93, 7329212), (114, 5979094), (121, 5633196), (124, 5496909), (132, 5163763), (186, 3664606), (209, 3261324), (228, 2989547), (242, 2816598), (341, 1998876), (363, 1877732), (372, 1832303), (418, 1630662), (484, 1408299), (589, 1157244), (627, 1087108), (682, 999438), (726, 938866), (797, 855228), (836, 815331), (1023, 666292), (1178, 578622), (1254, 543554), (1364, 499719), (1452, 469433), (1594, 427614), (1767, 385748), (2046, 333146), (2299, 296484), (2356, 289311), (2391, 285076), (2508, 271777), (3188, 213807), (3534, 192874), (3751, 181716), (4092, 166573), (4598, 148242), (4782, 142538), (6479, 105204), (6897, 98828), (7068, 96437), (7502, 90858), (8767, 77748), (9196, 74121), (9564, 71269), (11253, 60572), (12958, 52602), (13794, 49414), (15004, 45429), (15143, 45012), (17534, 38874), (19437, 35068), (22506, 30286), (24707, 27588), (25916, 26301)]