7967820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 25998336

約数和(自身を除く): 18030516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 311, 366, 420, 427, 610, 622, 732, 854, 915, 933, 1220, 1244, 1281, 1555, 1708, 1830, 1866, 2135, 2177, 2562, 3110, 3660, 3732, 4270, 4354, 4665, 5124, 6220, 6405, 6531, 8540, 8708, 9330, 10885, 12810, 13062, 18660, 18971, 21770, 25620, 26124, 32655, 37942, 43540, 56913, 65310, 75884, 94855, 113826, 130620, 132797, 189710, 227652, 265594, 284565, 379420, 398391, 531188, 569130, 663985, 796782, 1138260, 1327970, 1593564, 1991955, 2655940, 3983910, 7967820]

約数ペア:

[(1, 7967820), (2, 3983910), (3, 2655940), (4, 1991955), (5, 1593564), (6, 1327970), (7, 1138260), (10, 796782), (12, 663985), (14, 569130), (15, 531188), (20, 398391), (21, 379420), (28, 284565), (30, 265594), (35, 227652), (42, 189710), (60, 132797), (61, 130620), (70, 113826), (84, 94855), (105, 75884), (122, 65310), (140, 56913), (183, 43540), (210, 37942), (244, 32655), (305, 26124), (311, 25620), (366, 21770), (420, 18971), (427, 18660), (610, 13062), (622, 12810), (732, 10885), (854, 9330), (915, 8708), (933, 8540), (1220, 6531), (1244, 6405), (1281, 6220), (1555, 5124), (1708, 4665), (1830, 4354), (1866, 4270), (2135, 3732), (2177, 3660), (2562, 3110)]