311546520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4729}}^1$

素因数の和:4810

約数の個数: 128

約数和(自身を含む): 1055736000

約数和(自身を除く): 744189480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 305, 360, 366, 488, 540, 549, 610, 732, 915, 1080, 1098, 1220, 1464, 1647, 1830, 2196, 2440, 2745, 3294, 3660, 4392, 4729, 5490, 6588, 7320, 8235, 9458, 10980, 13176, 14187, 16470, 18916, 21960, 23645, 28374, 32940, 37832, 42561, 47290, 56748, 65880, 70935, 85122, 94580, 113496, 127683, 141870, 170244, 189160, 212805, 255366, 283740, 288469, 340488, 425610, 510732, 567480, 576938, 638415, 851220, 865407, 1021464, 1153876, 1276830, 1442345, 1702440, 1730814, 2307752, 2553660, 2596221, 2884690, 3461628, 4327035, 5107320, 5192442, 5769380, 6923256, 7788663, 8654070, 10384884, 11538760, 12981105, 15577326, 17308140, 20769768, 25962210, 31154652, 34616280, 38943315, 51924420, 62309304, 77886630, 103848840, 155773260, 311546520]

約数ペア:

[(1, 311546520), (2, 155773260), (3, 103848840), (4, 77886630), (5, 62309304), (6, 51924420), (8, 38943315), (9, 34616280), (10, 31154652), (12, 25962210), (15, 20769768), (18, 17308140), (20, 15577326), (24, 12981105), (27, 11538760), (30, 10384884), (36, 8654070), (40, 7788663), (45, 6923256), (54, 5769380), (60, 5192442), (61, 5107320), (72, 4327035), (90, 3461628), (108, 2884690), (120, 2596221), (122, 2553660), (135, 2307752), (180, 1730814), (183, 1702440), (216, 1442345), (244, 1276830), (270, 1153876), (305, 1021464), (360, 865407), (366, 851220), (488, 638415), (540, 576938), (549, 567480), (610, 510732), (732, 425610), (915, 340488), (1080, 288469), (1098, 283740), (1220, 255366), (1464, 212805), (1647, 189160), (1830, 170244), (2196, 141870), (2440, 127683), (2745, 113496), (3294, 94580), (3660, 85122), (4392, 70935), (4729, 65880), (5490, 56748), (6588, 47290), (7320, 42561), (8235, 37832), (9458, 32940), (10980, 28374), (13176, 23645), (14187, 21960), (16470, 18916)]