30812080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 80874288

約数和(自身を除く): 50062208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 53, 65, 80, 86, 104, 106, 130, 169, 172, 208, 212, 215, 260, 265, 338, 344, 424, 430, 520, 530, 559, 676, 688, 689, 845, 848, 860, 1040, 1060, 1118, 1352, 1378, 1690, 1720, 2120, 2236, 2279, 2704, 2756, 2795, 3380, 3440, 3445, 4240, 4472, 4558, 5512, 5590, 6760, 6890, 7267, 8944, 8957, 9116, 11024, 11180, 11395, 13520, 13780, 14534, 17914, 18232, 22360, 22790, 27560, 29068, 29627, 35828, 36335, 36464, 44720, 44785, 45580, 55120, 58136, 59254, 71656, 72670, 89570, 91160, 116272, 118508, 143312, 145340, 148135, 179140, 182320, 237016, 290680, 296270, 358280, 385151, 474032, 581360, 592540, 716560, 770302, 1185080, 1540604, 1925755, 2370160, 3081208, 3851510, 6162416, 7703020, 15406040, 30812080]

約数ペア:

[(1, 30812080), (2, 15406040), (4, 7703020), (5, 6162416), (8, 3851510), (10, 3081208), (13, 2370160), (16, 1925755), (20, 1540604), (26, 1185080), (40, 770302), (43, 716560), (52, 592540), (53, 581360), (65, 474032), (80, 385151), (86, 358280), (104, 296270), (106, 290680), (130, 237016), (169, 182320), (172, 179140), (208, 148135), (212, 145340), (215, 143312), (260, 118508), (265, 116272), (338, 91160), (344, 89570), (424, 72670), (430, 71656), (520, 59254), (530, 58136), (559, 55120), (676, 45580), (688, 44785), (689, 44720), (845, 36464), (848, 36335), (860, 35828), (1040, 29627), (1060, 29068), (1118, 27560), (1352, 22790), (1378, 22360), (1690, 18232), (1720, 17914), (2120, 14534), (2236, 13780), (2279, 13520), (2704, 11395), (2756, 11180), (2795, 11024), (3380, 9116), (3440, 8957), (3445, 8944), (4240, 7267), (4472, 6890), (4558, 6760), (5512, 5590)]