123337840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1213}}^1$

素因数の和:1298

約数の個数: 80

約数和(自身を含む): 303480576

約数和(自身を除く): 180142736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1213, 1240, 1271, 1640, 2426, 2480, 2542, 3280, 4852, 5084, 6065, 6355, 9704, 10168, 12130, 12710, 19408, 20336, 24260, 25420, 37603, 48520, 49733, 50840, 75206, 97040, 99466, 101680, 150412, 188015, 198932, 248665, 300824, 376030, 397864, 497330, 601648, 752060, 795728, 994660, 1504120, 1541723, 1989320, 3008240, 3083446, 3978640, 6166892, 7708615, 12333784, 15417230, 24667568, 30834460, 61668920, 123337840]

約数ペア:

[(1, 123337840), (2, 61668920), (4, 30834460), (5, 24667568), (8, 15417230), (10, 12333784), (16, 7708615), (20, 6166892), (31, 3978640), (40, 3083446), (41, 3008240), (62, 1989320), (80, 1541723), (82, 1504120), (124, 994660), (155, 795728), (164, 752060), (205, 601648), (248, 497330), (310, 397864), (328, 376030), (410, 300824), (496, 248665), (620, 198932), (656, 188015), (820, 150412), (1213, 101680), (1240, 99466), (1271, 97040), (1640, 75206), (2426, 50840), (2480, 49733), (2542, 48520), (3280, 37603), (4852, 25420), (5084, 24260), (6065, 20336), (6355, 19408), (9704, 12710), (10168, 12130)]