1665431320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{853}}^1$

素因数の和:1257

約数の個数: 128

約数和(自身を含む): 4525516800

約数和(自身を除く): 2860085480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 367, 380, 532, 665, 734, 760, 853, 1064, 1330, 1468, 1706, 1835, 2569, 2660, 2936, 3412, 3670, 4265, 5138, 5320, 5971, 6824, 6973, 7340, 8530, 10276, 11942, 12845, 13946, 14680, 16207, 17060, 20552, 23884, 25690, 27892, 29855, 32414, 34120, 34865, 47768, 48811, 51380, 55784, 59710, 64828, 69730, 81035, 97622, 102760, 113449, 119420, 129656, 139460, 162070, 195244, 226898, 238840, 244055, 278920, 313051, 324140, 390488, 453796, 488110, 567245, 626102, 648280, 907592, 976220, 1134490, 1252204, 1565255, 1952440, 2191357, 2268980, 2504408, 3130510, 4382714, 4537960, 5947969, 6261020, 8765428, 10956785, 11895938, 12522040, 17530856, 21913570, 23791876, 29739845, 41635783, 43827140, 47583752, 59479690, 83271566, 87654280, 118959380, 166543132, 208178915, 237918760, 333086264, 416357830, 832715660, 1665431320]

約数ペア:

[(1, 1665431320), (2, 832715660), (4, 416357830), (5, 333086264), (7, 237918760), (8, 208178915), (10, 166543132), (14, 118959380), (19, 87654280), (20, 83271566), (28, 59479690), (35, 47583752), (38, 43827140), (40, 41635783), (56, 29739845), (70, 23791876), (76, 21913570), (95, 17530856), (133, 12522040), (140, 11895938), (152, 10956785), (190, 8765428), (266, 6261020), (280, 5947969), (367, 4537960), (380, 4382714), (532, 3130510), (665, 2504408), (734, 2268980), (760, 2191357), (853, 1952440), (1064, 1565255), (1330, 1252204), (1468, 1134490), (1706, 976220), (1835, 907592), (2569, 648280), (2660, 626102), (2936, 567245), (3412, 488110), (3670, 453796), (4265, 390488), (5138, 324140), (5320, 313051), (5971, 278920), (6824, 244055), (6973, 238840), (7340, 226898), (8530, 195244), (10276, 162070), (11942, 139460), (12845, 129656), (13946, 119420), (14680, 113449), (16207, 102760), (17060, 97622), (20552, 81035), (23884, 69730), (25690, 64828), (27892, 59710), (29855, 55784), (32414, 51380), (34120, 48811), (34865, 47768)]