85189240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 215654400

約数和(自身を除く): 130465160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 31, 40, 46, 58, 62, 92, 103, 115, 116, 124, 145, 155, 184, 206, 230, 232, 248, 290, 310, 412, 460, 515, 580, 620, 667, 713, 824, 899, 920, 1030, 1160, 1240, 1334, 1426, 1798, 2060, 2369, 2668, 2852, 2987, 3193, 3335, 3565, 3596, 4120, 4495, 4738, 5336, 5704, 5974, 6386, 6670, 7130, 7192, 8990, 9476, 11845, 11948, 12772, 13340, 14260, 14935, 15965, 17980, 18952, 20677, 23690, 23896, 25544, 26680, 28520, 29870, 31930, 35960, 41354, 47380, 59740, 63860, 68701, 73439, 82708, 92597, 94760, 103385, 119480, 127720, 137402, 146878, 165416, 185194, 206770, 274804, 293756, 343505, 367195, 370388, 413540, 462985, 549608, 587512, 687010, 734390, 740776, 827080, 925970, 1374020, 1468780, 1851940, 2129731, 2748040, 2937560, 3703880, 4259462, 8518924, 10648655, 17037848, 21297310, 42594620, 85189240]

約数ペア:

[(1, 85189240), (2, 42594620), (4, 21297310), (5, 17037848), (8, 10648655), (10, 8518924), (20, 4259462), (23, 3703880), (29, 2937560), (31, 2748040), (40, 2129731), (46, 1851940), (58, 1468780), (62, 1374020), (92, 925970), (103, 827080), (115, 740776), (116, 734390), (124, 687010), (145, 587512), (155, 549608), (184, 462985), (206, 413540), (230, 370388), (232, 367195), (248, 343505), (290, 293756), (310, 274804), (412, 206770), (460, 185194), (515, 165416), (580, 146878), (620, 137402), (667, 127720), (713, 119480), (824, 103385), (899, 94760), (920, 92597), (1030, 82708), (1160, 73439), (1240, 68701), (1334, 63860), (1426, 59740), (1798, 47380), (2060, 41354), (2369, 35960), (2668, 31930), (2852, 29870), (2987, 28520), (3193, 26680), (3335, 25544), (3565, 23896), (3596, 23690), (4120, 20677), (4495, 18952), (4738, 17980), (5336, 15965), (5704, 14935), (5974, 14260), (6386, 13340), (6670, 12772), (7130, 11948), (7192, 11845), (8990, 9476)]