15935640

素因数分解:

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

素因数の和:393

約数の個数: 128

約数和(自身を含む): 55710720

約数和(自身を除く): 39775080

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, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 311, 366, 420, 427, 488, 610, 622, 732, 840, 854, 915, 933, 1220, 1244, 1281, 1464, 1555, 1708, 1830, 1866, 2135, 2177, 2440, 2488, 2562, 3110, 3416, 3660, 3732, 4270, 4354, 4665, 5124, 6220, 6405, 6531, 7320, 7464, 8540, 8708, 9330, 10248, 10885, 12440, 12810, 13062, 17080, 17416, 18660, 18971, 21770, 25620, 26124, 32655, 37320, 37942, 43540, 51240, 52248, 56913, 65310, 75884, 87080, 94855, 113826, 130620, 132797, 151768, 189710, 227652, 261240, 265594, 284565, 379420, 398391, 455304, 531188, 569130, 663985, 758840, 796782, 1062376, 1138260, 1327970, 1593564, 1991955, 2276520, 2655940, 3187128, 3983910, 5311880, 7967820, 15935640]

約数ペア:

[(1, 15935640), (2, 7967820), (3, 5311880), (4, 3983910), (5, 3187128), (6, 2655940), (7, 2276520), (8, 1991955), (10, 1593564), (12, 1327970), (14, 1138260), (15, 1062376), (20, 796782), (21, 758840), (24, 663985), (28, 569130), (30, 531188), (35, 455304), (40, 398391), (42, 379420), (56, 284565), (60, 265594), (61, 261240), (70, 227652), (84, 189710), (105, 151768), (120, 132797), (122, 130620), (140, 113826), (168, 94855), (183, 87080), (210, 75884), (244, 65310), (280, 56913), (305, 52248), (311, 51240), (366, 43540), (420, 37942), (427, 37320), (488, 32655), (610, 26124), (622, 25620), (732, 21770), (840, 18971), (854, 18660), (915, 17416), (933, 17080), (1220, 13062), (1244, 12810), (1281, 12440), (1464, 10885), (1555, 10248), (1708, 9330), (1830, 8708), (1866, 8540), (2135, 7464), (2177, 7320), (2440, 6531), (2488, 6405), (2562, 6220), (3110, 5124), (3416, 4665), (3660, 4354), (3732, 4270)]