1291280928

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{991}}^1$

素因数の和:1295

約数の個数: 144

約数和(自身を含む): 3961246464

約数和(自身を除く): 2669965536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 277, 294, 336, 392, 554, 588, 672, 784, 831, 991, 1108, 1176, 1568, 1662, 1939, 1982, 2216, 2352, 2973, 3324, 3878, 3964, 4432, 4704, 5817, 5946, 6648, 6937, 7756, 7928, 8864, 11634, 11892, 13296, 13573, 13874, 15512, 15856, 20811, 23268, 23784, 26592, 27146, 27748, 31024, 31712, 40719, 41622, 46536, 47568, 48559, 54292, 55496, 62048, 81438, 83244, 93072, 95136, 97118, 108584, 110992, 145677, 162876, 166488, 186144, 194236, 217168, 221984, 274507, 291354, 325752, 332976, 388472, 434336, 549014, 582708, 651504, 665952, 776944, 823521, 1098028, 1165416, 1303008, 1553888, 1647042, 1921549, 2196056, 2330832, 3294084, 3843098, 4392112, 4661664, 5764647, 6588168, 7686196, 8784224, 11529294, 13176336, 13450843, 15372392, 23058588, 26352672, 26901686, 30744784, 40352529, 46117176, 53803372, 61489568, 80705058, 92234352, 107606744, 161410116, 184468704, 215213488, 322820232, 430426976, 645640464, 1291280928]

約数ペア:

[(1, 1291280928), (2, 645640464), (3, 430426976), (4, 322820232), (6, 215213488), (7, 184468704), (8, 161410116), (12, 107606744), (14, 92234352), (16, 80705058), (21, 61489568), (24, 53803372), (28, 46117176), (32, 40352529), (42, 30744784), (48, 26901686), (49, 26352672), (56, 23058588), (84, 15372392), (96, 13450843), (98, 13176336), (112, 11529294), (147, 8784224), (168, 7686196), (196, 6588168), (224, 5764647), (277, 4661664), (294, 4392112), (336, 3843098), (392, 3294084), (554, 2330832), (588, 2196056), (672, 1921549), (784, 1647042), (831, 1553888), (991, 1303008), (1108, 1165416), (1176, 1098028), (1568, 823521), (1662, 776944), (1939, 665952), (1982, 651504), (2216, 582708), (2352, 549014), (2973, 434336), (3324, 388472), (3878, 332976), (3964, 325752), (4432, 291354), (4704, 274507), (5817, 221984), (5946, 217168), (6648, 194236), (6937, 186144), (7756, 166488), (7928, 162876), (8864, 145677), (11634, 110992), (11892, 108584), (13296, 97118), (13573, 95136), (13874, 93072), (15512, 83244), (15856, 81438), (20811, 62048), (23268, 55496), (23784, 54292), (26592, 48559), (27146, 47568), (27748, 46536), (31024, 41622), (31712, 40719)]