254087440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8123}}^1$

素因数の和:8176

約数の個数: 80

約数和(自身を含む): 652779648

約数和(自身を除く): 398692208

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 680, 782, 920, 1360, 1564, 1840, 1955, 3128, 3910, 6256, 7820, 8123, 15640, 16246, 31280, 32492, 40615, 64984, 81230, 129968, 138091, 162460, 186829, 276182, 324920, 373658, 552364, 649840, 690455, 747316, 934145, 1104728, 1380910, 1494632, 1868290, 2209456, 2761820, 2989264, 3176093, 3736580, 5523640, 6352186, 7473160, 11047280, 12704372, 14946320, 15880465, 25408744, 31760930, 50817488, 63521860, 127043720, 254087440]

約数ペア:

[(1, 254087440), (2, 127043720), (4, 63521860), (5, 50817488), (8, 31760930), (10, 25408744), (16, 15880465), (17, 14946320), (20, 12704372), (23, 11047280), (34, 7473160), (40, 6352186), (46, 5523640), (68, 3736580), (80, 3176093), (85, 2989264), (92, 2761820), (115, 2209456), (136, 1868290), (170, 1494632), (184, 1380910), (230, 1104728), (272, 934145), (340, 747316), (368, 690455), (391, 649840), (460, 552364), (680, 373658), (782, 324920), (920, 276182), (1360, 186829), (1564, 162460), (1840, 138091), (1955, 129968), (3128, 81230), (3910, 64984), (6256, 40615), (7820, 32492), (8123, 31280), (15640, 16246)]