87918660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:402

約数の個数: 144

約数和(自身を含む): 281176896

約数和(自身を除く): 193258236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 43, 45, 60, 74, 86, 90, 111, 129, 148, 172, 180, 185, 215, 222, 258, 307, 333, 370, 387, 430, 444, 516, 555, 614, 645, 666, 740, 774, 860, 921, 1110, 1228, 1290, 1332, 1535, 1548, 1591, 1665, 1842, 1935, 2220, 2580, 2763, 3070, 3182, 3330, 3684, 3870, 4605, 4773, 5526, 6140, 6364, 6660, 7740, 7955, 9210, 9546, 11052, 11359, 13201, 13815, 14319, 15910, 18420, 19092, 22718, 23865, 26402, 27630, 28638, 31820, 34077, 39603, 45436, 47730, 52804, 55260, 56795, 57276, 66005, 68154, 71595, 79206, 95460, 102231, 113590, 118809, 132010, 136308, 143190, 158412, 170385, 198015, 204462, 227180, 237618, 264020, 286380, 340770, 396030, 408924, 475236, 488437, 511155, 594045, 681540, 792060, 976874, 1022310, 1188090, 1465311, 1953748, 2044620, 2376180, 2442185, 2930622, 4395933, 4884370, 5861244, 7326555, 8791866, 9768740, 14653110, 17583732, 21979665, 29306220, 43959330, 87918660]

約数ペア:

[(1, 87918660), (2, 43959330), (3, 29306220), (4, 21979665), (5, 17583732), (6, 14653110), (9, 9768740), (10, 8791866), (12, 7326555), (15, 5861244), (18, 4884370), (20, 4395933), (30, 2930622), (36, 2442185), (37, 2376180), (43, 2044620), (45, 1953748), (60, 1465311), (74, 1188090), (86, 1022310), (90, 976874), (111, 792060), (129, 681540), (148, 594045), (172, 511155), (180, 488437), (185, 475236), (215, 408924), (222, 396030), (258, 340770), (307, 286380), (333, 264020), (370, 237618), (387, 227180), (430, 204462), (444, 198015), (516, 170385), (555, 158412), (614, 143190), (645, 136308), (666, 132010), (740, 118809), (774, 113590), (860, 102231), (921, 95460), (1110, 79206), (1228, 71595), (1290, 68154), (1332, 66005), (1535, 57276), (1548, 56795), (1591, 55260), (1665, 52804), (1842, 47730), (1935, 45436), (2220, 39603), (2580, 34077), (2763, 31820), (3070, 28638), (3182, 27630), (3330, 26402), (3684, 23865), (3870, 22718), (4605, 19092), (4773, 18420), (5526, 15910), (6140, 14319), (6364, 13815), (6660, 13201), (7740, 11359), (7955, 11052), (9210, 9546)]