25325280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:473

約数の個数: 144

約数和(自身を含む): 88648560

約数和(自身を除く): 63323280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 409, 430, 480, 516, 645, 688, 720, 774, 818, 860, 1032, 1227, 1290, 1376, 1440, 1548, 1636, 1720, 1935, 2045, 2064, 2454, 2580, 3096, 3272, 3440, 3681, 3870, 4090, 4128, 4908, 5160, 6135, 6192, 6544, 6880, 7362, 7740, 8180, 9816, 10320, 12270, 12384, 13088, 14724, 15480, 16360, 17587, 18405, 19632, 20640, 24540, 29448, 30960, 32720, 35174, 36810, 39264, 49080, 52761, 58896, 61920, 65440, 70348, 73620, 87935, 98160, 105522, 117792, 140696, 147240, 158283, 175870, 196320, 211044, 263805, 281392, 294480, 316566, 351740, 422088, 527610, 562784, 588960, 633132, 703480, 791415, 844176, 1055220, 1266264, 1406960, 1582830, 1688352, 2110440, 2532528, 2813920, 3165660, 4220880, 5065056, 6331320, 8441760, 12662640, 25325280]

約数ペア:

[(1, 25325280), (2, 12662640), (3, 8441760), (4, 6331320), (5, 5065056), (6, 4220880), (8, 3165660), (9, 2813920), (10, 2532528), (12, 2110440), (15, 1688352), (16, 1582830), (18, 1406960), (20, 1266264), (24, 1055220), (30, 844176), (32, 791415), (36, 703480), (40, 633132), (43, 588960), (45, 562784), (48, 527610), (60, 422088), (72, 351740), (80, 316566), (86, 294480), (90, 281392), (96, 263805), (120, 211044), (129, 196320), (144, 175870), (160, 158283), (172, 147240), (180, 140696), (215, 117792), (240, 105522), (258, 98160), (288, 87935), (344, 73620), (360, 70348), (387, 65440), (409, 61920), (430, 58896), (480, 52761), (516, 49080), (645, 39264), (688, 36810), (720, 35174), (774, 32720), (818, 30960), (860, 29448), (1032, 24540), (1227, 20640), (1290, 19632), (1376, 18405), (1440, 17587), (1548, 16360), (1636, 15480), (1720, 14724), (1935, 13088), (2045, 12384), (2064, 12270), (2454, 10320), (2580, 9816), (3096, 8180), (3272, 7740), (3440, 7362), (3681, 6880), (3870, 6544), (4090, 6192), (4128, 6135), (4908, 5160)]