255517120

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:422

約数の個数: 112

約数和(自身を含む): 641908800

約数和(自身を除く): 386391680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 149, 160, 184, 230, 233, 298, 320, 368, 460, 466, 596, 736, 745, 920, 932, 1165, 1192, 1472, 1490, 1840, 1864, 2330, 2384, 2980, 3427, 3680, 3728, 4660, 4768, 5359, 5960, 6854, 7360, 7456, 9320, 9536, 10718, 11920, 13708, 14912, 17135, 18640, 21436, 23840, 26795, 27416, 34270, 34717, 37280, 42872, 47680, 53590, 54832, 68540, 69434, 74560, 85744, 107180, 109664, 137080, 138868, 171488, 173585, 214360, 219328, 274160, 277736, 342976, 347170, 428720, 548320, 555472, 694340, 798491, 857440, 1096640, 1110944, 1388680, 1596982, 1714880, 2221888, 2777360, 3193964, 3992455, 5554720, 6387928, 7984910, 11109440, 12775856, 15969820, 25551712, 31939640, 51103424, 63879280, 127758560, 255517120]

約数ペア:

[(1, 255517120), (2, 127758560), (4, 63879280), (5, 51103424), (8, 31939640), (10, 25551712), (16, 15969820), (20, 12775856), (23, 11109440), (32, 7984910), (40, 6387928), (46, 5554720), (64, 3992455), (80, 3193964), (92, 2777360), (115, 2221888), (149, 1714880), (160, 1596982), (184, 1388680), (230, 1110944), (233, 1096640), (298, 857440), (320, 798491), (368, 694340), (460, 555472), (466, 548320), (596, 428720), (736, 347170), (745, 342976), (920, 277736), (932, 274160), (1165, 219328), (1192, 214360), (1472, 173585), (1490, 171488), (1840, 138868), (1864, 137080), (2330, 109664), (2384, 107180), (2980, 85744), (3427, 74560), (3680, 69434), (3728, 68540), (4660, 54832), (4768, 53590), (5359, 47680), (5960, 42872), (6854, 37280), (7360, 34717), (7456, 34270), (9320, 27416), (9536, 26795), (10718, 23840), (11920, 21436), (13708, 18640), (14912, 17135)]