128707560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5861}}^1$

素因数の和:5939

約数の個数: 96

約数和(自身を含む): 425229480

約数和(自身を除く): 296521920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 610, 732, 915, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 3660, 4392, 5490, 5861, 7320, 10980, 11722, 17583, 21960, 23444, 29305, 35166, 46888, 52749, 58610, 70332, 87915, 105498, 117220, 140664, 175830, 210996, 234440, 263745, 351660, 357521, 421992, 527490, 703320, 715042, 1054980, 1072563, 1430084, 1787605, 2109960, 2145126, 2860168, 3217689, 3575210, 4290252, 5362815, 6435378, 7150420, 8580504, 10725630, 12870756, 14300840, 16088445, 21451260, 25741512, 32176890, 42902520, 64353780, 128707560]

約数ペア:

[(1, 128707560), (2, 64353780), (3, 42902520), (4, 32176890), (5, 25741512), (6, 21451260), (8, 16088445), (9, 14300840), (10, 12870756), (12, 10725630), (15, 8580504), (18, 7150420), (20, 6435378), (24, 5362815), (30, 4290252), (36, 3575210), (40, 3217689), (45, 2860168), (60, 2145126), (61, 2109960), (72, 1787605), (90, 1430084), (120, 1072563), (122, 1054980), (180, 715042), (183, 703320), (244, 527490), (305, 421992), (360, 357521), (366, 351660), (488, 263745), (549, 234440), (610, 210996), (732, 175830), (915, 140664), (1098, 117220), (1220, 105498), (1464, 87915), (1830, 70332), (2196, 58610), (2440, 52749), (2745, 46888), (3660, 35166), (4392, 29305), (5490, 23444), (5861, 21960), (7320, 17583), (10980, 11722)]