15621420

素因数分解:

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

素因数の和:295

約数の個数: 96

約数和(自身を含む): 46932480

約数和(自身を除く): 31311060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 71, 76, 95, 114, 142, 190, 193, 213, 228, 284, 285, 355, 380, 386, 426, 570, 579, 710, 772, 852, 965, 1065, 1140, 1158, 1349, 1420, 1930, 2130, 2316, 2698, 2895, 3667, 3860, 4047, 4260, 5396, 5790, 6745, 7334, 8094, 11001, 11580, 13490, 13703, 14668, 16188, 18335, 20235, 22002, 26980, 27406, 36670, 40470, 41109, 44004, 54812, 55005, 68515, 73340, 80940, 82218, 110010, 137030, 164436, 205545, 220020, 260357, 274060, 411090, 520714, 781071, 822180, 1041428, 1301785, 1562142, 2603570, 3124284, 3905355, 5207140, 7810710, 15621420]

約数ペア:

[(1, 15621420), (2, 7810710), (3, 5207140), (4, 3905355), (5, 3124284), (6, 2603570), (10, 1562142), (12, 1301785), (15, 1041428), (19, 822180), (20, 781071), (30, 520714), (38, 411090), (57, 274060), (60, 260357), (71, 220020), (76, 205545), (95, 164436), (114, 137030), (142, 110010), (190, 82218), (193, 80940), (213, 73340), (228, 68515), (284, 55005), (285, 54812), (355, 44004), (380, 41109), (386, 40470), (426, 36670), (570, 27406), (579, 26980), (710, 22002), (772, 20235), (852, 18335), (965, 16188), (1065, 14668), (1140, 13703), (1158, 13490), (1349, 11580), (1420, 11001), (1930, 8094), (2130, 7334), (2316, 6745), (2698, 5790), (2895, 5396), (3667, 4260), (3860, 4047)]