87578820

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{7723}}^1$

素因数の和:7751

約数の個数: 120

約数和(自身を含む): 314026944

約数和(自身を除く): 226448124

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 7723, 11340, 15446, 23169, 30892, 38615, 46338, 54061, 69507, 77230, 92676, 108122, 115845, 139014, 154460, 162183, 208521, 216244, 231690, 270305, 278028, 324366, 347535, 417042, 463380, 486549, 540610, 625563, 648732, 695070, 810915, 834084, 973098, 1042605, 1081220, 1251126, 1390140, 1459647, 1621830, 1946196, 2085210, 2432745, 2502252, 2919294, 3127815, 3243660, 4170420, 4378941, 4865490, 5838588, 6255630, 7298235, 8757882, 9730980, 12511260, 14596470, 17515764, 21894705, 29192940, 43789410, 87578820]

約数ペア:

[(1, 87578820), (2, 43789410), (3, 29192940), (4, 21894705), (5, 17515764), (6, 14596470), (7, 12511260), (9, 9730980), (10, 8757882), (12, 7298235), (14, 6255630), (15, 5838588), (18, 4865490), (20, 4378941), (21, 4170420), (27, 3243660), (28, 3127815), (30, 2919294), (35, 2502252), (36, 2432745), (42, 2085210), (45, 1946196), (54, 1621830), (60, 1459647), (63, 1390140), (70, 1251126), (81, 1081220), (84, 1042605), (90, 973098), (105, 834084), (108, 810915), (126, 695070), (135, 648732), (140, 625563), (162, 540610), (180, 486549), (189, 463380), (210, 417042), (252, 347535), (270, 324366), (315, 278028), (324, 270305), (378, 231690), (405, 216244), (420, 208521), (540, 162183), (567, 154460), (630, 139014), (756, 115845), (810, 108122), (945, 92676), (1134, 77230), (1260, 69507), (1620, 54061), (1890, 46338), (2268, 38615), (2835, 30892), (3780, 23169), (5670, 15446), (7723, 11340)]