87318840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{103951}}^1$

素因数の和:103972

約数の個数: 64

約数和(自身を含む): 299381760

約数和(自身を除く): 212062920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 103951, 207902, 311853, 415804, 519755, 623706, 727657, 831608, 1039510, 1247412, 1455314, 1559265, 2079020, 2182971, 2494824, 2910628, 3118530, 3638285, 4158040, 4365942, 5821256, 6237060, 7276570, 8731884, 10914855, 12474120, 14553140, 17463768, 21829710, 29106280, 43659420, 87318840]

約数ペア:

[(1, 87318840), (2, 43659420), (3, 29106280), (4, 21829710), (5, 17463768), (6, 14553140), (7, 12474120), (8, 10914855), (10, 8731884), (12, 7276570), (14, 6237060), (15, 5821256), (20, 4365942), (21, 4158040), (24, 3638285), (28, 3118530), (30, 2910628), (35, 2494824), (40, 2182971), (42, 2079020), (56, 1559265), (60, 1455314), (70, 1247412), (84, 1039510), (105, 831608), (120, 727657), (140, 623706), (168, 519755), (210, 415804), (280, 311853), (420, 207902), (840, 103951)]