1373440

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 3495240

約数和(自身を除く): 2121800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 37, 40, 58, 64, 74, 80, 116, 128, 145, 148, 160, 185, 232, 256, 290, 296, 320, 370, 464, 580, 592, 640, 740, 928, 1073, 1160, 1184, 1280, 1480, 1856, 2146, 2320, 2368, 2960, 3712, 4292, 4640, 4736, 5365, 5920, 7424, 8584, 9280, 9472, 10730, 11840, 17168, 18560, 21460, 23680, 34336, 37120, 42920, 47360, 68672, 85840, 137344, 171680, 274688, 343360, 686720, 1373440]

約数ペア:

[(1, 1373440), (2, 686720), (4, 343360), (5, 274688), (8, 171680), (10, 137344), (16, 85840), (20, 68672), (29, 47360), (32, 42920), (37, 37120), (40, 34336), (58, 23680), (64, 21460), (74, 18560), (80, 17168), (116, 11840), (128, 10730), (145, 9472), (148, 9280), (160, 8584), (185, 7424), (232, 5920), (256, 5365), (290, 4736), (296, 4640), (320, 4292), (370, 3712), (464, 2960), (580, 2368), (592, 2320), (640, 2146), (740, 1856), (928, 1480), (1073, 1280), (1160, 1184)]