31242840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 100569600

約数和(自身を除く): 69326760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 71, 76, 95, 114, 120, 142, 152, 190, 193, 213, 228, 284, 285, 355, 380, 386, 426, 456, 568, 570, 579, 710, 760, 772, 852, 965, 1065, 1140, 1158, 1349, 1420, 1544, 1704, 1930, 2130, 2280, 2316, 2698, 2840, 2895, 3667, 3860, 4047, 4260, 4632, 5396, 5790, 6745, 7334, 7720, 8094, 8520, 10792, 11001, 11580, 13490, 13703, 14668, 16188, 18335, 20235, 22002, 23160, 26980, 27406, 29336, 32376, 36670, 40470, 41109, 44004, 53960, 54812, 55005, 68515, 73340, 80940, 82218, 88008, 109624, 110010, 137030, 146680, 161880, 164436, 205545, 220020, 260357, 274060, 328872, 411090, 440040, 520714, 548120, 781071, 822180, 1041428, 1301785, 1562142, 1644360, 2082856, 2603570, 3124284, 3905355, 5207140, 6248568, 7810710, 10414280, 15621420, 31242840]

約数ペア:

[(1, 31242840), (2, 15621420), (3, 10414280), (4, 7810710), (5, 6248568), (6, 5207140), (8, 3905355), (10, 3124284), (12, 2603570), (15, 2082856), (19, 1644360), (20, 1562142), (24, 1301785), (30, 1041428), (38, 822180), (40, 781071), (57, 548120), (60, 520714), (71, 440040), (76, 411090), (95, 328872), (114, 274060), (120, 260357), (142, 220020), (152, 205545), (190, 164436), (193, 161880), (213, 146680), (228, 137030), (284, 110010), (285, 109624), (355, 88008), (380, 82218), (386, 80940), (426, 73340), (456, 68515), (568, 55005), (570, 54812), (579, 53960), (710, 44004), (760, 41109), (772, 40470), (852, 36670), (965, 32376), (1065, 29336), (1140, 27406), (1158, 26980), (1349, 23160), (1420, 22002), (1544, 20235), (1704, 18335), (1930, 16188), (2130, 14668), (2280, 13703), (2316, 13490), (2698, 11580), (2840, 11001), (2895, 10792), (3667, 8520), (3860, 8094), (4047, 7720), (4260, 7334), (4632, 6745), (5396, 5790)]