15625740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 50174208

約数和(自身を除く): 34548468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 67, 69, 78, 92, 115, 130, 134, 138, 156, 169, 195, 201, 230, 260, 268, 276, 299, 335, 338, 345, 390, 402, 460, 507, 598, 670, 676, 690, 780, 804, 845, 871, 897, 1005, 1014, 1196, 1340, 1380, 1495, 1541, 1690, 1742, 1794, 2010, 2028, 2535, 2613, 2990, 3082, 3380, 3484, 3588, 3887, 4020, 4355, 4485, 4623, 5070, 5226, 5980, 6164, 7705, 7774, 8710, 8970, 9246, 10140, 10452, 11323, 11661, 13065, 15410, 15548, 17420, 17940, 18492, 19435, 20033, 22646, 23115, 23322, 26130, 30820, 33969, 38870, 40066, 45292, 46230, 46644, 52260, 56615, 58305, 60099, 67938, 77740, 80132, 92460, 100165, 113230, 116610, 120198, 135876, 169845, 200330, 226460, 233220, 240396, 260429, 300495, 339690, 400660, 520858, 600990, 679380, 781287, 1041716, 1201980, 1302145, 1562574, 2604290, 3125148, 3906435, 5208580, 7812870, 15625740]

約数ペア:

[(1, 15625740), (2, 7812870), (3, 5208580), (4, 3906435), (5, 3125148), (6, 2604290), (10, 1562574), (12, 1302145), (13, 1201980), (15, 1041716), (20, 781287), (23, 679380), (26, 600990), (30, 520858), (39, 400660), (46, 339690), (52, 300495), (60, 260429), (65, 240396), (67, 233220), (69, 226460), (78, 200330), (92, 169845), (115, 135876), (130, 120198), (134, 116610), (138, 113230), (156, 100165), (169, 92460), (195, 80132), (201, 77740), (230, 67938), (260, 60099), (268, 58305), (276, 56615), (299, 52260), (335, 46644), (338, 46230), (345, 45292), (390, 40066), (402, 38870), (460, 33969), (507, 30820), (598, 26130), (670, 23322), (676, 23115), (690, 22646), (780, 20033), (804, 19435), (845, 18492), (871, 17940), (897, 17420), (1005, 15548), (1014, 15410), (1196, 13065), (1340, 11661), (1380, 11323), (1495, 10452), (1541, 10140), (1690, 9246), (1742, 8970), (1794, 8710), (2010, 7774), (2028, 7705), (2535, 6164), (2613, 5980), (2990, 5226), (3082, 5070), (3380, 4623), (3484, 4485), (3588, 4355), (3887, 4020)]