61751440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:704

約数の個数: 80

約数和(自身を含む): 152222400

約数和(自身を除く): 90470960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 43, 58, 80, 86, 116, 145, 172, 215, 232, 290, 344, 430, 464, 580, 619, 688, 860, 1160, 1238, 1247, 1720, 2320, 2476, 2494, 3095, 3440, 4952, 4988, 6190, 6235, 9904, 9976, 12380, 12470, 17951, 19952, 24760, 24940, 26617, 35902, 49520, 49880, 53234, 71804, 89755, 99760, 106468, 133085, 143608, 179510, 212936, 266170, 287216, 359020, 425872, 532340, 718040, 771893, 1064680, 1436080, 1543786, 2129360, 3087572, 3859465, 6175144, 7718930, 12350288, 15437860, 30875720, 61751440]

約数ペア:

[(1, 61751440), (2, 30875720), (4, 15437860), (5, 12350288), (8, 7718930), (10, 6175144), (16, 3859465), (20, 3087572), (29, 2129360), (40, 1543786), (43, 1436080), (58, 1064680), (80, 771893), (86, 718040), (116, 532340), (145, 425872), (172, 359020), (215, 287216), (232, 266170), (290, 212936), (344, 179510), (430, 143608), (464, 133085), (580, 106468), (619, 99760), (688, 89755), (860, 71804), (1160, 53234), (1238, 49880), (1247, 49520), (1720, 35902), (2320, 26617), (2476, 24940), (2494, 24760), (3095, 19952), (3440, 17951), (4952, 12470), (4988, 12380), (6190, 9976), (6235, 9904)]