31483440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{599}}^1$

素因数の和:691

約数の個数: 120

約数和(自身を含む): 107359200

約数和(自身を除く): 75875760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 120, 144, 146, 180, 219, 240, 292, 360, 365, 438, 584, 599, 657, 720, 730, 876, 1095, 1168, 1198, 1314, 1460, 1752, 1797, 2190, 2396, 2628, 2920, 2995, 3285, 3504, 3594, 4380, 4792, 5256, 5391, 5840, 5990, 6570, 7188, 8760, 8985, 9584, 10512, 10782, 11980, 13140, 14376, 17520, 17970, 21564, 23960, 26280, 26955, 28752, 35940, 43128, 43727, 47920, 52560, 53910, 71880, 86256, 87454, 107820, 131181, 143760, 174908, 215640, 218635, 262362, 349816, 393543, 431280, 437270, 524724, 655905, 699632, 787086, 874540, 1049448, 1311810, 1574172, 1749080, 1967715, 2098896, 2623620, 3148344, 3498160, 3935430, 5247240, 6296688, 7870860, 10494480, 15741720, 31483440]

約数ペア:

[(1, 31483440), (2, 15741720), (3, 10494480), (4, 7870860), (5, 6296688), (6, 5247240), (8, 3935430), (9, 3498160), (10, 3148344), (12, 2623620), (15, 2098896), (16, 1967715), (18, 1749080), (20, 1574172), (24, 1311810), (30, 1049448), (36, 874540), (40, 787086), (45, 699632), (48, 655905), (60, 524724), (72, 437270), (73, 431280), (80, 393543), (90, 349816), (120, 262362), (144, 218635), (146, 215640), (180, 174908), (219, 143760), (240, 131181), (292, 107820), (360, 87454), (365, 86256), (438, 71880), (584, 53910), (599, 52560), (657, 47920), (720, 43727), (730, 43128), (876, 35940), (1095, 28752), (1168, 26955), (1198, 26280), (1314, 23960), (1460, 21564), (1752, 17970), (1797, 17520), (2190, 14376), (2396, 13140), (2628, 11980), (2920, 10782), (2995, 10512), (3285, 9584), (3504, 8985), (3594, 8760), (4380, 7188), (4792, 6570), (5256, 5990), (5391, 5840)]