61986420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:510

約数の個数: 144

約数和(自身を含む): 203793408

約数和(自身を除く): 141806988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 47, 51, 60, 68, 85, 90, 94, 102, 141, 153, 170, 180, 188, 204, 235, 255, 282, 306, 340, 423, 431, 470, 510, 564, 612, 705, 765, 799, 846, 862, 940, 1020, 1293, 1410, 1530, 1598, 1692, 1724, 2115, 2155, 2397, 2586, 2820, 3060, 3196, 3879, 3995, 4230, 4310, 4794, 5172, 6465, 7191, 7327, 7758, 7990, 8460, 8620, 9588, 11985, 12930, 14382, 14654, 15516, 15980, 19395, 20257, 21981, 23970, 25860, 28764, 29308, 35955, 36635, 38790, 40514, 43962, 47940, 60771, 65943, 71910, 73270, 77580, 81028, 87924, 101285, 109905, 121542, 131886, 143820, 146540, 182313, 202570, 219810, 243084, 263772, 303855, 329715, 344369, 364626, 405140, 439620, 607710, 659430, 688738, 729252, 911565, 1033107, 1215420, 1318860, 1377476, 1721845, 1823130, 2066214, 3099321, 3443690, 3646260, 4132428, 5165535, 6198642, 6887380, 10331070, 12397284, 15496605, 20662140, 30993210, 61986420]

約数ペア:

[(1, 61986420), (2, 30993210), (3, 20662140), (4, 15496605), (5, 12397284), (6, 10331070), (9, 6887380), (10, 6198642), (12, 5165535), (15, 4132428), (17, 3646260), (18, 3443690), (20, 3099321), (30, 2066214), (34, 1823130), (36, 1721845), (45, 1377476), (47, 1318860), (51, 1215420), (60, 1033107), (68, 911565), (85, 729252), (90, 688738), (94, 659430), (102, 607710), (141, 439620), (153, 405140), (170, 364626), (180, 344369), (188, 329715), (204, 303855), (235, 263772), (255, 243084), (282, 219810), (306, 202570), (340, 182313), (423, 146540), (431, 143820), (470, 131886), (510, 121542), (564, 109905), (612, 101285), (705, 87924), (765, 81028), (799, 77580), (846, 73270), (862, 71910), (940, 65943), (1020, 60771), (1293, 47940), (1410, 43962), (1530, 40514), (1598, 38790), (1692, 36635), (1724, 35955), (2115, 29308), (2155, 28764), (2397, 25860), (2586, 23970), (2820, 21981), (3060, 20257), (3196, 19395), (3879, 15980), (3995, 15516), (4230, 14654), (4310, 14382), (4794, 12930), (5172, 11985), (6465, 9588), (7191, 8620), (7327, 8460), (7758, 7990)]