77661870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:498

約数の個数: 128

約数和(自身を含む): 224598528

約数和(自身を除く): 146936658

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 43, 55, 65, 66, 78, 86, 110, 129, 130, 143, 165, 195, 215, 258, 286, 330, 390, 421, 429, 430, 473, 559, 645, 715, 842, 858, 946, 1118, 1263, 1290, 1419, 1430, 1677, 2105, 2145, 2365, 2526, 2795, 2838, 3354, 4210, 4290, 4631, 4730, 5473, 5590, 6149, 6315, 7095, 8385, 9262, 10946, 12298, 12630, 13893, 14190, 16419, 16770, 18103, 18447, 23155, 27365, 27786, 30745, 32838, 36206, 36894, 46310, 54309, 54730, 60203, 61490, 69465, 82095, 90515, 92235, 108618, 120406, 138930, 164190, 180609, 181030, 184470, 199133, 235339, 271545, 301015, 361218, 398266, 470678, 543090, 597399, 602030, 706017, 903045, 995665, 1176695, 1194798, 1412034, 1806090, 1991330, 2353390, 2588729, 2986995, 3530085, 5177458, 5973990, 7060170, 7766187, 12943645, 15532374, 25887290, 38830935, 77661870]

約数ペア:

[(1, 77661870), (2, 38830935), (3, 25887290), (5, 15532374), (6, 12943645), (10, 7766187), (11, 7060170), (13, 5973990), (15, 5177458), (22, 3530085), (26, 2986995), (30, 2588729), (33, 2353390), (39, 1991330), (43, 1806090), (55, 1412034), (65, 1194798), (66, 1176695), (78, 995665), (86, 903045), (110, 706017), (129, 602030), (130, 597399), (143, 543090), (165, 470678), (195, 398266), (215, 361218), (258, 301015), (286, 271545), (330, 235339), (390, 199133), (421, 184470), (429, 181030), (430, 180609), (473, 164190), (559, 138930), (645, 120406), (715, 108618), (842, 92235), (858, 90515), (946, 82095), (1118, 69465), (1263, 61490), (1290, 60203), (1419, 54730), (1430, 54309), (1677, 46310), (2105, 36894), (2145, 36206), (2365, 32838), (2526, 30745), (2795, 27786), (2838, 27365), (3354, 23155), (4210, 18447), (4290, 18103), (4631, 16770), (4730, 16419), (5473, 14190), (5590, 13893), (6149, 12630), (6315, 12298), (7095, 10946), (8385, 9262)]