257007691980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3457}}^1\times {\mathrm{31771}}^1$

素因数の和:35256

約数の個数: 144

約数和(自身を含む): 839827750944

約数和(自身を除く): 582820058964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 3457, 6914, 10371, 13828, 17285, 20742, 31113, 31771, 34570, 41484, 44941, 51855, 62226, 63542, 69140, 89882, 95313, 103710, 124452, 127084, 134823, 155565, 158855, 179764, 190626, 207420, 224705, 269646, 285939, 311130, 317710, 381252, 404469, 413023, 449410, 476565, 539292, 571878, 622260, 635420, 674115, 808938, 826046, 898820, 953130, 1143756, 1239069, 1348230, 1429695, 1617876, 1652092, 1906260, 2022345, 2065115, 2478138, 2696460, 2859390, 3717207, 4044690, 4130230, 4956276, 5718780, 6195345, 7434414, 8089380, 8260460, 12390690, 14868828, 18586035, 24781380, 37172070, 74344140, 109832347, 219664694, 329497041, 439329388, 549161735, 658994082, 988491123, 1098323470, 1317988164, 1427820511, 1647485205, 1976982246, 2196646940, 2855641022, 3294970410, 3953964492, 4283461533, 4942455615, 5711282044, 6589940820, 7139102555, 8566923066, 9884911230, 12850384599, 14278205110, 17133846132, 19769822460, 21417307665, 25700769198, 28556410220, 42834615330, 51401538396, 64251922995, 85669230660, 128503845990, 257007691980]

約数ペア:

[(1, 257007691980), (2, 128503845990), (3, 85669230660), (4, 64251922995), (5, 51401538396), (6, 42834615330), (9, 28556410220), (10, 25700769198), (12, 21417307665), (13, 19769822460), (15, 17133846132), (18, 14278205110), (20, 12850384599), (26, 9884911230), (30, 8566923066), (36, 7139102555), (39, 6589940820), (45, 5711282044), (52, 4942455615), (60, 4283461533), (65, 3953964492), (78, 3294970410), (90, 2855641022), (117, 2196646940), (130, 1976982246), (156, 1647485205), (180, 1427820511), (195, 1317988164), (234, 1098323470), (260, 988491123), (390, 658994082), (468, 549161735), (585, 439329388), (780, 329497041), (1170, 219664694), (2340, 109832347), (3457, 74344140), (6914, 37172070), (10371, 24781380), (13828, 18586035), (17285, 14868828), (20742, 12390690), (31113, 8260460), (31771, 8089380), (34570, 7434414), (41484, 6195345), (44941, 5718780), (51855, 4956276), (62226, 4130230), (63542, 4044690), (69140, 3717207), (89882, 2859390), (95313, 2696460), (103710, 2478138), (124452, 2065115), (127084, 2022345), (134823, 1906260), (155565, 1652092), (158855, 1617876), (179764, 1429695), (190626, 1348230), (207420, 1239069), (224705, 1143756), (269646, 953130), (285939, 898820), (311130, 826046), (317710, 808938), (381252, 674115), (404469, 635420), (413023, 622260), (449410, 571878), (476565, 539292)]