72174400

素因数分解:

$2^6\times 5^2\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:672

約数の個数: 84

約数和(自身を含む): 180157120

約数和(自身を除く): 107982720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 158, 160, 200, 316, 320, 395, 400, 571, 632, 790, 800, 1142, 1264, 1580, 1600, 1975, 2284, 2528, 2855, 3160, 3950, 4568, 5056, 5710, 6320, 7900, 9136, 11420, 12640, 14275, 15800, 18272, 22840, 25280, 28550, 31600, 36544, 45109, 45680, 57100, 63200, 90218, 91360, 114200, 126400, 180436, 182720, 225545, 228400, 360872, 451090, 456800, 721744, 902180, 913600, 1127725, 1443488, 1804360, 2255450, 2886976, 3608720, 4510900, 7217440, 9021800, 14434880, 18043600, 36087200, 72174400]

約数ペア:

[(1, 72174400), (2, 36087200), (4, 18043600), (5, 14434880), (8, 9021800), (10, 7217440), (16, 4510900), (20, 3608720), (25, 2886976), (32, 2255450), (40, 1804360), (50, 1443488), (64, 1127725), (79, 913600), (80, 902180), (100, 721744), (158, 456800), (160, 451090), (200, 360872), (316, 228400), (320, 225545), (395, 182720), (400, 180436), (571, 126400), (632, 114200), (790, 91360), (800, 90218), (1142, 63200), (1264, 57100), (1580, 45680), (1600, 45109), (1975, 36544), (2284, 31600), (2528, 28550), (2855, 25280), (3160, 22840), (3950, 18272), (4568, 15800), (5056, 14275), (5710, 12640), (6320, 11420), (7900, 9136)]