255501480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7121}}^1$

素因数の和:7171

約数の個数: 128

約数和(自身を含む): 861477120

約数和(自身を除く): 605975640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 5980, 7121, 7176, 8970, 11960, 14242, 17940, 21363, 28484, 35605, 35880, 42726, 56968, 71210, 85452, 92573, 106815, 142420, 163783, 170904, 185146, 213630, 277719, 284840, 327566, 370292, 427260, 462865, 491349, 555438, 655132, 740584, 818915, 854520, 925730, 982698, 1110876, 1310264, 1388595, 1637830, 1851460, 1965396, 2129179, 2221752, 2456745, 2777190, 3275660, 3702920, 3930792, 4258358, 4913490, 5554380, 6387537, 6551320, 8516716, 9826980, 10645895, 11108760, 12775074, 17033432, 19653960, 21291790, 25550148, 31937685, 42583580, 51100296, 63875370, 85167160, 127750740, 255501480]

約数ペア:

[(1, 255501480), (2, 127750740), (3, 85167160), (4, 63875370), (5, 51100296), (6, 42583580), (8, 31937685), (10, 25550148), (12, 21291790), (13, 19653960), (15, 17033432), (20, 12775074), (23, 11108760), (24, 10645895), (26, 9826980), (30, 8516716), (39, 6551320), (40, 6387537), (46, 5554380), (52, 4913490), (60, 4258358), (65, 3930792), (69, 3702920), (78, 3275660), (92, 2777190), (104, 2456745), (115, 2221752), (120, 2129179), (130, 1965396), (138, 1851460), (156, 1637830), (184, 1388595), (195, 1310264), (230, 1110876), (260, 982698), (276, 925730), (299, 854520), (312, 818915), (345, 740584), (390, 655132), (460, 555438), (520, 491349), (552, 462865), (598, 427260), (690, 370292), (780, 327566), (897, 284840), (920, 277719), (1196, 213630), (1380, 185146), (1495, 170904), (1560, 163783), (1794, 142420), (2392, 106815), (2760, 92573), (2990, 85452), (3588, 71210), (4485, 56968), (5980, 42726), (7121, 35880), (7176, 35605), (8970, 28484), (11960, 21363), (14242, 17940)]