39816840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:571

約数の個数: 128

約数和(自身を含む): 138101760

約数和(自身を除く): 98284920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 107, 120, 140, 168, 210, 214, 280, 321, 420, 428, 443, 535, 642, 749, 840, 856, 886, 1070, 1284, 1329, 1498, 1605, 1772, 2140, 2215, 2247, 2568, 2658, 2996, 3101, 3210, 3544, 3745, 4280, 4430, 4494, 5316, 5992, 6202, 6420, 6645, 7490, 8860, 8988, 9303, 10632, 11235, 12404, 12840, 13290, 14980, 15505, 17720, 17976, 18606, 22470, 24808, 26580, 29960, 31010, 37212, 44940, 46515, 47401, 53160, 62020, 74424, 89880, 93030, 94802, 124040, 142203, 186060, 189604, 237005, 284406, 331807, 372120, 379208, 474010, 568812, 663614, 711015, 948020, 995421, 1137624, 1327228, 1422030, 1659035, 1896040, 1990842, 2654456, 2844060, 3318070, 3981684, 4977105, 5688120, 6636140, 7963368, 9954210, 13272280, 19908420, 39816840]

約数ペア:

[(1, 39816840), (2, 19908420), (3, 13272280), (4, 9954210), (5, 7963368), (6, 6636140), (7, 5688120), (8, 4977105), (10, 3981684), (12, 3318070), (14, 2844060), (15, 2654456), (20, 1990842), (21, 1896040), (24, 1659035), (28, 1422030), (30, 1327228), (35, 1137624), (40, 995421), (42, 948020), (56, 711015), (60, 663614), (70, 568812), (84, 474010), (105, 379208), (107, 372120), (120, 331807), (140, 284406), (168, 237005), (210, 189604), (214, 186060), (280, 142203), (321, 124040), (420, 94802), (428, 93030), (443, 89880), (535, 74424), (642, 62020), (749, 53160), (840, 47401), (856, 46515), (886, 44940), (1070, 37212), (1284, 31010), (1329, 29960), (1498, 26580), (1605, 24808), (1772, 22470), (2140, 18606), (2215, 17976), (2247, 17720), (2568, 15505), (2658, 14980), (2996, 13290), (3101, 12840), (3210, 12404), (3544, 11235), (3745, 10632), (4280, 9303), (4430, 8988), (4494, 8860), (5316, 7490), (5992, 6645), (6202, 6420)]