15406040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:133

約数の個数: 96

約数和(自身を含む): 39132720

約数和(自身を除く): 23726680

約数列:

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

約数ペア:

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