68188480

素因数分解:

$2^6\times 5^1\times {\mathrm{409}}^1\times {\mathrm{521}}^1$

素因数の和:947

約数の個数: 56

約数和(自身を含む): 163083240

約数和(自身を除く): 94894760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 409, 521, 818, 1042, 1636, 2045, 2084, 2605, 3272, 4090, 4168, 5210, 6544, 8180, 8336, 10420, 13088, 16360, 16672, 20840, 26176, 32720, 33344, 41680, 65440, 83360, 130880, 166720, 213089, 426178, 852356, 1065445, 1704712, 2130890, 3409424, 4261780, 6818848, 8523560, 13637696, 17047120, 34094240, 68188480]

約数ペア:

[(1, 68188480), (2, 34094240), (4, 17047120), (5, 13637696), (8, 8523560), (10, 6818848), (16, 4261780), (20, 3409424), (32, 2130890), (40, 1704712), (64, 1065445), (80, 852356), (160, 426178), (320, 213089), (409, 166720), (521, 130880), (818, 83360), (1042, 65440), (1636, 41680), (2045, 33344), (2084, 32720), (2605, 26176), (3272, 20840), (4090, 16672), (4168, 16360), (5210, 13088), (6544, 10420), (8180, 8336)]