108318840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{128951}}^1$

素因数の和:128972

約数の個数: 64

約数和(自身を含む): 371381760

約数和(自身を除く): 263062920

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, 128951, 257902, 386853, 515804, 644755, 773706, 902657, 1031608, 1289510, 1547412, 1805314, 1934265, 2579020, 2707971, 3094824, 3610628, 3868530, 4513285, 5158040, 5415942, 7221256, 7737060, 9026570, 10831884, 13539855, 15474120, 18053140, 21663768, 27079710, 36106280, 54159420, 108318840]

約数ペア:

[(1, 108318840), (2, 54159420), (3, 36106280), (4, 27079710), (5, 21663768), (6, 18053140), (7, 15474120), (8, 13539855), (10, 10831884), (12, 9026570), (14, 7737060), (15, 7221256), (20, 5415942), (21, 5158040), (24, 4513285), (28, 3868530), (30, 3610628), (35, 3094824), (40, 2707971), (42, 2579020), (56, 1934265), (60, 1805314), (70, 1547412), (84, 1289510), (105, 1031608), (120, 902657), (140, 773706), (168, 644755), (210, 515804), (280, 386853), (420, 257902), (840, 128951)]