1231198840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{15973}}^1$

素因数の和:16072

約数の個数: 64

約数和(自身を含む): 2898322560

約数和(自身を除く): 1667123720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 94, 164, 188, 205, 235, 328, 376, 410, 470, 820, 940, 1640, 1880, 1927, 3854, 7708, 9635, 15416, 15973, 19270, 31946, 38540, 63892, 77080, 79865, 127784, 159730, 319460, 638920, 654893, 750731, 1309786, 1501462, 2619572, 3002924, 3274465, 3753655, 5239144, 6005848, 6548930, 7507310, 13097860, 15014620, 26195720, 30029240, 30779971, 61559942, 123119884, 153899855, 246239768, 307799710, 615599420, 1231198840]

約数ペア:

[(1, 1231198840), (2, 615599420), (4, 307799710), (5, 246239768), (8, 153899855), (10, 123119884), (20, 61559942), (40, 30779971), (41, 30029240), (47, 26195720), (82, 15014620), (94, 13097860), (164, 7507310), (188, 6548930), (205, 6005848), (235, 5239144), (328, 3753655), (376, 3274465), (410, 3002924), (470, 2619572), (820, 1501462), (940, 1309786), (1640, 750731), (1880, 654893), (1927, 638920), (3854, 319460), (7708, 159730), (9635, 127784), (15416, 79865), (15973, 77080), (19270, 63892), (31946, 38540)]