27435720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:479

約数の個数: 128

約数和(自身を含む): 90921600

約数和(自身を除く): 63485880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 409, 430, 516, 520, 559, 645, 780, 818, 860, 1032, 1118, 1227, 1290, 1560, 1636, 1677, 1720, 2045, 2236, 2454, 2580, 2795, 3272, 3354, 4090, 4472, 4908, 5160, 5317, 5590, 6135, 6708, 8180, 8385, 9816, 10634, 11180, 12270, 13416, 15951, 16360, 16770, 17587, 21268, 22360, 24540, 26585, 31902, 33540, 35174, 42536, 49080, 52761, 53170, 63804, 67080, 70348, 79755, 87935, 105522, 106340, 127608, 140696, 159510, 175870, 211044, 212680, 228631, 263805, 319020, 351740, 422088, 457262, 527610, 638040, 685893, 703480, 914524, 1055220, 1143155, 1371786, 1829048, 2110440, 2286310, 2743572, 3429465, 4572620, 5487144, 6858930, 9145240, 13717860, 27435720]

約数ペア:

[(1, 27435720), (2, 13717860), (3, 9145240), (4, 6858930), (5, 5487144), (6, 4572620), (8, 3429465), (10, 2743572), (12, 2286310), (13, 2110440), (15, 1829048), (20, 1371786), (24, 1143155), (26, 1055220), (30, 914524), (39, 703480), (40, 685893), (43, 638040), (52, 527610), (60, 457262), (65, 422088), (78, 351740), (86, 319020), (104, 263805), (120, 228631), (129, 212680), (130, 211044), (156, 175870), (172, 159510), (195, 140696), (215, 127608), (258, 106340), (260, 105522), (312, 87935), (344, 79755), (390, 70348), (409, 67080), (430, 63804), (516, 53170), (520, 52761), (559, 49080), (645, 42536), (780, 35174), (818, 33540), (860, 31902), (1032, 26585), (1118, 24540), (1227, 22360), (1290, 21268), (1560, 17587), (1636, 16770), (1677, 16360), (1720, 15951), (2045, 13416), (2236, 12270), (2454, 11180), (2580, 10634), (2795, 9816), (3272, 8385), (3354, 8180), (4090, 6708), (4472, 6135), (4908, 5590), (5160, 5317)]