31527240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 99100800

約数和(自身を除く): 67573560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 61, 73, 118, 120, 122, 146, 177, 183, 219, 236, 244, 292, 295, 305, 354, 365, 366, 438, 472, 488, 584, 590, 610, 708, 730, 732, 876, 885, 915, 1095, 1180, 1220, 1416, 1460, 1464, 1752, 1770, 1830, 2190, 2360, 2440, 2920, 3540, 3599, 3660, 4307, 4380, 4453, 7080, 7198, 7320, 8614, 8760, 8906, 10797, 12921, 13359, 14396, 17228, 17812, 17995, 21535, 21594, 22265, 25842, 26718, 28792, 34456, 35624, 35990, 43070, 43188, 44530, 51684, 53436, 53985, 64605, 66795, 71980, 86140, 86376, 89060, 103368, 106872, 107970, 129210, 133590, 143960, 172280, 178120, 215940, 258420, 262727, 267180, 431880, 516840, 525454, 534360, 788181, 1050908, 1313635, 1576362, 2101816, 2627270, 3152724, 3940905, 5254540, 6305448, 7881810, 10509080, 15763620, 31527240]

約数ペア:

[(1, 31527240), (2, 15763620), (3, 10509080), (4, 7881810), (5, 6305448), (6, 5254540), (8, 3940905), (10, 3152724), (12, 2627270), (15, 2101816), (20, 1576362), (24, 1313635), (30, 1050908), (40, 788181), (59, 534360), (60, 525454), (61, 516840), (73, 431880), (118, 267180), (120, 262727), (122, 258420), (146, 215940), (177, 178120), (183, 172280), (219, 143960), (236, 133590), (244, 129210), (292, 107970), (295, 106872), (305, 103368), (354, 89060), (365, 86376), (366, 86140), (438, 71980), (472, 66795), (488, 64605), (584, 53985), (590, 53436), (610, 51684), (708, 44530), (730, 43188), (732, 43070), (876, 35990), (885, 35624), (915, 34456), (1095, 28792), (1180, 26718), (1220, 25842), (1416, 22265), (1460, 21594), (1464, 21535), (1752, 17995), (1770, 17812), (1830, 17228), (2190, 14396), (2360, 13359), (2440, 12921), (2920, 10797), (3540, 8906), (3599, 8760), (3660, 8614), (4307, 7320), (4380, 7198), (4453, 7080)]