21636240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5303}}^1$

素因数の和:5336

約数の個数: 80

約数和(自身を含む): 71031168

約数和(自身を除く): 49394928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 5303, 10606, 15909, 21212, 26515, 31818, 42424, 53030, 63636, 79545, 84848, 90151, 106060, 127272, 159090, 180302, 212120, 254544, 270453, 318180, 360604, 424240, 450755, 540906, 636360, 721208, 901510, 1081812, 1272720, 1352265, 1442416, 1803020, 2163624, 2704530, 3606040, 4327248, 5409060, 7212080, 10818120, 21636240]

約数ペア:

[(1, 21636240), (2, 10818120), (3, 7212080), (4, 5409060), (5, 4327248), (6, 3606040), (8, 2704530), (10, 2163624), (12, 1803020), (15, 1442416), (16, 1352265), (17, 1272720), (20, 1081812), (24, 901510), (30, 721208), (34, 636360), (40, 540906), (48, 450755), (51, 424240), (60, 360604), (68, 318180), (80, 270453), (85, 254544), (102, 212120), (120, 180302), (136, 159090), (170, 127272), (204, 106060), (240, 90151), (255, 84848), (272, 79545), (340, 63636), (408, 53030), (510, 42424), (680, 31818), (816, 26515), (1020, 21212), (1360, 15909), (2040, 10606), (4080, 5303)]