31420440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:686

約数の個数: 128

約数和(自身を含む): 107136000

約数和(自身を除く): 75715560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 90, 94, 108, 120, 135, 141, 180, 188, 216, 235, 270, 282, 360, 376, 423, 470, 540, 564, 619, 705, 846, 940, 1080, 1128, 1238, 1269, 1410, 1692, 1857, 1880, 2115, 2476, 2538, 2820, 3095, 3384, 3714, 4230, 4952, 5076, 5571, 5640, 6190, 6345, 7428, 8460, 9285, 10152, 11142, 12380, 12690, 14856, 16713, 16920, 18570, 22284, 24760, 25380, 27855, 29093, 33426, 37140, 44568, 50760, 55710, 58186, 66852, 74280, 83565, 87279, 111420, 116372, 133704, 145465, 167130, 174558, 222840, 232744, 261837, 290930, 334260, 349116, 436395, 523674, 581860, 668520, 698232, 785511, 872790, 1047348, 1163720, 1309185, 1571022, 1745580, 2094696, 2618370, 3142044, 3491160, 3927555, 5236740, 6284088, 7855110, 10473480, 15710220, 31420440]

約数ペア:

[(1, 31420440), (2, 15710220), (3, 10473480), (4, 7855110), (5, 6284088), (6, 5236740), (8, 3927555), (9, 3491160), (10, 3142044), (12, 2618370), (15, 2094696), (18, 1745580), (20, 1571022), (24, 1309185), (27, 1163720), (30, 1047348), (36, 872790), (40, 785511), (45, 698232), (47, 668520), (54, 581860), (60, 523674), (72, 436395), (90, 349116), (94, 334260), (108, 290930), (120, 261837), (135, 232744), (141, 222840), (180, 174558), (188, 167130), (216, 145465), (235, 133704), (270, 116372), (282, 111420), (360, 87279), (376, 83565), (423, 74280), (470, 66852), (540, 58186), (564, 55710), (619, 50760), (705, 44568), (846, 37140), (940, 33426), (1080, 29093), (1128, 27855), (1238, 25380), (1269, 24760), (1410, 22284), (1692, 18570), (1857, 16920), (1880, 16713), (2115, 14856), (2476, 12690), (2538, 12380), (2820, 11142), (3095, 10152), (3384, 9285), (3714, 8460), (4230, 7428), (4952, 6345), (5076, 6190), (5571, 5640)]