140108800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:464

約数の個数: 132

約数和(自身を含む): 374903956

約数和(自身を除く): 234795156

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 421, 512, 520, 640, 650, 800, 832, 842, 1024, 1040, 1280, 1300, 1600, 1664, 1684, 2080, 2105, 2560, 2600, 3200, 3328, 3368, 4160, 4210, 5120, 5200, 5473, 6400, 6656, 6736, 8320, 8420, 10400, 10525, 10946, 12800, 13312, 13472, 16640, 16840, 20800, 21050, 21892, 25600, 26944, 27365, 33280, 33680, 41600, 42100, 43784, 53888, 54730, 66560, 67360, 83200, 84200, 87568, 107776, 109460, 134720, 136825, 166400, 168400, 175136, 215552, 218920, 269440, 273650, 332800, 336800, 350272, 431104, 437840, 538880, 547300, 673600, 700544, 875680, 1077760, 1094600, 1347200, 1401088, 1751360, 2155520, 2189200, 2694400, 2802176, 3502720, 4378400, 5388800, 5604352, 7005440, 8756800, 10777600, 14010880, 17513600, 28021760, 35027200, 70054400, 140108800]

約数ペア:

[(1, 140108800), (2, 70054400), (4, 35027200), (5, 28021760), (8, 17513600), (10, 14010880), (13, 10777600), (16, 8756800), (20, 7005440), (25, 5604352), (26, 5388800), (32, 4378400), (40, 3502720), (50, 2802176), (52, 2694400), (64, 2189200), (65, 2155520), (80, 1751360), (100, 1401088), (104, 1347200), (128, 1094600), (130, 1077760), (160, 875680), (200, 700544), (208, 673600), (256, 547300), (260, 538880), (320, 437840), (325, 431104), (400, 350272), (416, 336800), (421, 332800), (512, 273650), (520, 269440), (640, 218920), (650, 215552), (800, 175136), (832, 168400), (842, 166400), (1024, 136825), (1040, 134720), (1280, 109460), (1300, 107776), (1600, 87568), (1664, 84200), (1684, 83200), (2080, 67360), (2105, 66560), (2560, 54730), (2600, 53888), (3200, 43784), (3328, 42100), (3368, 41600), (4160, 33680), (4210, 33280), (5120, 27365), (5200, 26944), (5473, 25600), (6400, 21892), (6656, 21050), (6736, 20800), (8320, 16840), (8420, 16640), (10400, 13472), (10525, 13312), (10946, 12800)]