42685240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 111767040

約数和(自身を除く): 69081800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 43, 46, 52, 65, 83, 86, 92, 104, 115, 130, 166, 172, 184, 215, 230, 260, 299, 332, 344, 415, 430, 460, 520, 559, 598, 664, 830, 860, 920, 989, 1079, 1118, 1196, 1495, 1660, 1720, 1909, 1978, 2158, 2236, 2392, 2795, 2990, 3320, 3569, 3818, 3956, 4316, 4472, 4945, 5395, 5590, 5980, 7138, 7636, 7912, 8632, 9545, 9890, 10790, 11180, 11960, 12857, 14276, 15272, 17845, 19090, 19780, 21580, 22360, 24817, 25714, 28552, 35690, 38180, 39560, 43160, 46397, 49634, 51428, 64285, 71380, 76360, 82087, 92794, 99268, 102856, 124085, 128570, 142760, 164174, 185588, 198536, 231985, 248170, 257140, 328348, 371176, 410435, 463970, 496340, 514280, 656696, 820870, 927940, 992680, 1067131, 1641740, 1855880, 2134262, 3283480, 4268524, 5335655, 8537048, 10671310, 21342620, 42685240]

約数ペア:

[(1, 42685240), (2, 21342620), (4, 10671310), (5, 8537048), (8, 5335655), (10, 4268524), (13, 3283480), (20, 2134262), (23, 1855880), (26, 1641740), (40, 1067131), (43, 992680), (46, 927940), (52, 820870), (65, 656696), (83, 514280), (86, 496340), (92, 463970), (104, 410435), (115, 371176), (130, 328348), (166, 257140), (172, 248170), (184, 231985), (215, 198536), (230, 185588), (260, 164174), (299, 142760), (332, 128570), (344, 124085), (415, 102856), (430, 99268), (460, 92794), (520, 82087), (559, 76360), (598, 71380), (664, 64285), (830, 51428), (860, 49634), (920, 46397), (989, 43160), (1079, 39560), (1118, 38180), (1196, 35690), (1495, 28552), (1660, 25714), (1720, 24817), (1909, 22360), (1978, 21580), (2158, 19780), (2236, 19090), (2392, 17845), (2795, 15272), (2990, 14276), (3320, 12857), (3569, 11960), (3818, 11180), (3956, 10790), (4316, 9890), (4472, 9545), (4945, 8632), (5395, 7912), (5590, 7636), (5980, 7138)]