81806760

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{3607}}^1$

素因数の和:3637

約数の個数: 160

約数和(自身を含む): 314328960

約数和(自身を除く): 232522200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3607, 3780, 4536, 5670, 7214, 7560, 10821, 11340, 14428, 18035, 21642, 22680, 25249, 28856, 32463, 36070, 43284, 50498, 54105, 64926, 72140, 75747, 86568, 97389, 100996, 108210, 126245, 129852, 144280, 151494, 162315, 194778, 201992, 216420, 227241, 252490, 259704, 292167, 302988, 324630, 378735, 389556, 432840, 454482, 486945, 504980, 584334, 605976, 649260, 681723, 757470, 779112, 908964, 973890, 1009960, 1136205, 1168668, 1298520, 1363446, 1460835, 1514940, 1817928, 1947780, 2045169, 2272410, 2337336, 2726892, 2921670, 3029880, 3408615, 3895560, 4090338, 4544820, 5453784, 5843340, 6817230, 8180676, 9089640, 10225845, 11686680, 13634460, 16361352, 20451690, 27268920, 40903380, 81806760]

約数ペア:

[(1, 81806760), (2, 40903380), (3, 27268920), (4, 20451690), (5, 16361352), (6, 13634460), (7, 11686680), (8, 10225845), (9, 9089640), (10, 8180676), (12, 6817230), (14, 5843340), (15, 5453784), (18, 4544820), (20, 4090338), (21, 3895560), (24, 3408615), (27, 3029880), (28, 2921670), (30, 2726892), (35, 2337336), (36, 2272410), (40, 2045169), (42, 1947780), (45, 1817928), (54, 1514940), (56, 1460835), (60, 1363446), (63, 1298520), (70, 1168668), (72, 1136205), (81, 1009960), (84, 973890), (90, 908964), (105, 779112), (108, 757470), (120, 681723), (126, 649260), (135, 605976), (140, 584334), (162, 504980), (168, 486945), (180, 454482), (189, 432840), (210, 389556), (216, 378735), (252, 324630), (270, 302988), (280, 292167), (315, 259704), (324, 252490), (360, 227241), (378, 216420), (405, 201992), (420, 194778), (504, 162315), (540, 151494), (567, 144280), (630, 129852), (648, 126245), (756, 108210), (810, 100996), (840, 97389), (945, 86568), (1080, 75747), (1134, 72140), (1260, 64926), (1512, 54105), (1620, 50498), (1890, 43284), (2268, 36070), (2520, 32463), (2835, 28856), (3240, 25249), (3607, 22680), (3780, 21642), (4536, 18035), (5670, 14428), (7214, 11340), (7560, 10821)]