66663640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1453}}^1$

素因数の和:1532

約数の個数: 64

約数和(自身を含む): 159125760

約数和(自身を除く): 92462120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1453, 1480, 2294, 2906, 4588, 5735, 5812, 7265, 9176, 11470, 11624, 14530, 22940, 29060, 45043, 45880, 53761, 58120, 90086, 107522, 180172, 215044, 225215, 268805, 360344, 430088, 450430, 537610, 900860, 1075220, 1666591, 1801720, 2150440, 3333182, 6666364, 8332955, 13332728, 16665910, 33331820, 66663640]

約数ペア:

[(1, 66663640), (2, 33331820), (4, 16665910), (5, 13332728), (8, 8332955), (10, 6666364), (20, 3333182), (31, 2150440), (37, 1801720), (40, 1666591), (62, 1075220), (74, 900860), (124, 537610), (148, 450430), (155, 430088), (185, 360344), (248, 268805), (296, 225215), (310, 215044), (370, 180172), (620, 107522), (740, 90086), (1147, 58120), (1240, 53761), (1453, 45880), (1480, 45043), (2294, 29060), (2906, 22940), (4588, 14530), (5735, 11624), (5812, 11470), (7265, 9176)]