254638980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61507}}^1$

素因数の和:61545

約数の個数: 72

約数和(自身を含む): 806000832

約数和(自身を除く): 551361852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 61507, 123014, 184521, 246028, 307535, 369042, 553563, 615070, 738084, 922605, 1107126, 1230140, 1414661, 1845210, 2214252, 2767815, 2829322, 3690420, 4243983, 5535630, 5658644, 7073305, 8487966, 11071260, 12731949, 14146610, 16975932, 21219915, 25463898, 28293220, 42439830, 50927796, 63659745, 84879660, 127319490, 254638980]

約数ペア:

[(1, 254638980), (2, 127319490), (3, 84879660), (4, 63659745), (5, 50927796), (6, 42439830), (9, 28293220), (10, 25463898), (12, 21219915), (15, 16975932), (18, 14146610), (20, 12731949), (23, 11071260), (30, 8487966), (36, 7073305), (45, 5658644), (46, 5535630), (60, 4243983), (69, 3690420), (90, 2829322), (92, 2767815), (115, 2214252), (138, 1845210), (180, 1414661), (207, 1230140), (230, 1107126), (276, 922605), (345, 738084), (414, 615070), (460, 553563), (690, 369042), (828, 307535), (1035, 246028), (1380, 184521), (2070, 123014), (4140, 61507)]