788001660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1669}}^1$

素因数の和:1788

約数の個数: 144

約数和(自身を含む): 2487444960

約数和(自身を除く): 1699443300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 61, 86, 90, 122, 129, 172, 180, 183, 215, 244, 258, 305, 366, 387, 430, 516, 549, 610, 645, 732, 774, 860, 915, 1098, 1220, 1290, 1548, 1669, 1830, 1935, 2196, 2580, 2623, 2745, 3338, 3660, 3870, 5007, 5246, 5490, 6676, 7740, 7869, 8345, 10014, 10492, 10980, 13115, 15021, 15738, 16690, 20028, 23607, 25035, 26230, 30042, 31476, 33380, 39345, 47214, 50070, 52460, 60084, 71767, 75105, 78690, 94428, 100140, 101809, 118035, 143534, 150210, 157380, 203618, 215301, 236070, 287068, 300420, 305427, 358835, 407236, 430602, 472140, 509045, 610854, 645903, 717670, 861204, 916281, 1018090, 1076505, 1221708, 1291806, 1435340, 1527135, 1832562, 2036180, 2153010, 2583612, 3054270, 3229515, 3665124, 4306020, 4377787, 4581405, 6108540, 6459030, 8755574, 9162810, 12918060, 13133361, 17511148, 18325620, 21888935, 26266722, 39400083, 43777870, 52533444, 65666805, 78800166, 87555740, 131333610, 157600332, 197000415, 262667220, 394000830, 788001660]

約数ペア:

[(1, 788001660), (2, 394000830), (3, 262667220), (4, 197000415), (5, 157600332), (6, 131333610), (9, 87555740), (10, 78800166), (12, 65666805), (15, 52533444), (18, 43777870), (20, 39400083), (30, 26266722), (36, 21888935), (43, 18325620), (45, 17511148), (60, 13133361), (61, 12918060), (86, 9162810), (90, 8755574), (122, 6459030), (129, 6108540), (172, 4581405), (180, 4377787), (183, 4306020), (215, 3665124), (244, 3229515), (258, 3054270), (305, 2583612), (366, 2153010), (387, 2036180), (430, 1832562), (516, 1527135), (549, 1435340), (610, 1291806), (645, 1221708), (732, 1076505), (774, 1018090), (860, 916281), (915, 861204), (1098, 717670), (1220, 645903), (1290, 610854), (1548, 509045), (1669, 472140), (1830, 430602), (1935, 407236), (2196, 358835), (2580, 305427), (2623, 300420), (2745, 287068), (3338, 236070), (3660, 215301), (3870, 203618), (5007, 157380), (5246, 150210), (5490, 143534), (6676, 118035), (7740, 101809), (7869, 100140), (8345, 94428), (10014, 78690), (10492, 75105), (10980, 71767), (13115, 60084), (15021, 52460), (15738, 50070), (16690, 47214), (20028, 39345), (23607, 33380), (25035, 31476), (26230, 30042)]