31045980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{383}}^1$

素因数の和:595

約数の個数: 96

約数和(自身を含む): 100122624

約数和(自身を除く): 69076644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 193, 210, 383, 386, 420, 579, 766, 772, 965, 1149, 1158, 1351, 1532, 1915, 1930, 2298, 2316, 2681, 2702, 2895, 3830, 3860, 4053, 4596, 5362, 5404, 5745, 5790, 6755, 7660, 8043, 8106, 10724, 11490, 11580, 13405, 13510, 16086, 16212, 20265, 22980, 26810, 27020, 32172, 40215, 40530, 53620, 73919, 80430, 81060, 147838, 160860, 221757, 295676, 369595, 443514, 517433, 739190, 887028, 1034866, 1108785, 1478380, 1552299, 2069732, 2217570, 2587165, 3104598, 4435140, 5174330, 6209196, 7761495, 10348660, 15522990, 31045980]

約数ペア:

[(1, 31045980), (2, 15522990), (3, 10348660), (4, 7761495), (5, 6209196), (6, 5174330), (7, 4435140), (10, 3104598), (12, 2587165), (14, 2217570), (15, 2069732), (20, 1552299), (21, 1478380), (28, 1108785), (30, 1034866), (35, 887028), (42, 739190), (60, 517433), (70, 443514), (84, 369595), (105, 295676), (140, 221757), (193, 160860), (210, 147838), (383, 81060), (386, 80430), (420, 73919), (579, 53620), (766, 40530), (772, 40215), (965, 32172), (1149, 27020), (1158, 26810), (1351, 22980), (1532, 20265), (1915, 16212), (1930, 16086), (2298, 13510), (2316, 13405), (2681, 11580), (2702, 11490), (2895, 10724), (3830, 8106), (3860, 8043), (4053, 7660), (4596, 6755), (5362, 5790), (5404, 5745)]