31299480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:490

約数の個数: 128

約数和(自身を含む): 106027200

約数和(自身を除く): 74727720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 73, 90, 108, 120, 135, 146, 180, 216, 219, 270, 292, 360, 365, 397, 438, 540, 584, 657, 730, 794, 876, 1080, 1095, 1191, 1314, 1460, 1588, 1752, 1971, 1985, 2190, 2382, 2628, 2920, 3176, 3285, 3573, 3942, 3970, 4380, 4764, 5256, 5955, 6570, 7146, 7884, 7940, 8760, 9528, 9855, 10719, 11910, 13140, 14292, 15768, 15880, 17865, 19710, 21438, 23820, 26280, 28584, 28981, 35730, 39420, 42876, 47640, 53595, 57962, 71460, 78840, 85752, 86943, 107190, 115924, 142920, 144905, 173886, 214380, 231848, 260829, 289810, 347772, 428760, 434715, 521658, 579620, 695544, 782487, 869430, 1043316, 1159240, 1304145, 1564974, 1738860, 2086632, 2608290, 3129948, 3477720, 3912435, 5216580, 6259896, 7824870, 10433160, 15649740, 31299480]

約数ペア:

[(1, 31299480), (2, 15649740), (3, 10433160), (4, 7824870), (5, 6259896), (6, 5216580), (8, 3912435), (9, 3477720), (10, 3129948), (12, 2608290), (15, 2086632), (18, 1738860), (20, 1564974), (24, 1304145), (27, 1159240), (30, 1043316), (36, 869430), (40, 782487), (45, 695544), (54, 579620), (60, 521658), (72, 434715), (73, 428760), (90, 347772), (108, 289810), (120, 260829), (135, 231848), (146, 214380), (180, 173886), (216, 144905), (219, 142920), (270, 115924), (292, 107190), (360, 86943), (365, 85752), (397, 78840), (438, 71460), (540, 57962), (584, 53595), (657, 47640), (730, 42876), (794, 39420), (876, 35730), (1080, 28981), (1095, 28584), (1191, 26280), (1314, 23820), (1460, 21438), (1588, 19710), (1752, 17865), (1971, 15880), (1985, 15768), (2190, 14292), (2382, 13140), (2628, 11910), (2920, 10719), (3176, 9855), (3285, 9528), (3573, 8760), (3942, 7940), (3970, 7884), (4380, 7146), (4764, 6570), (5256, 5955)]