78897840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{6709}}^1$

素因数の和:6739

約数の個数: 120

約数和(自身を含む): 284557680

約数和(自身を除く): 205659840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 6709, 11760, 13418, 20127, 26836, 33545, 40254, 46963, 53672, 67090, 80508, 93926, 100635, 107344, 134180, 140889, 161016, 187852, 201270, 234815, 268360, 281778, 322032, 328741, 375704, 402540, 469630, 536720, 563556, 657482, 704445, 751408, 805080, 939260, 986223, 1127112, 1314964, 1408890, 1610160, 1643705, 1878520, 1972446, 2254224, 2629928, 2817780, 3287410, 3757040, 3944892, 4931115, 5259856, 5635560, 6574820, 7889784, 9862230, 11271120, 13149640, 15779568, 19724460, 26299280, 39448920, 78897840]

約数ペア:

[(1, 78897840), (2, 39448920), (3, 26299280), (4, 19724460), (5, 15779568), (6, 13149640), (7, 11271120), (8, 9862230), (10, 7889784), (12, 6574820), (14, 5635560), (15, 5259856), (16, 4931115), (20, 3944892), (21, 3757040), (24, 3287410), (28, 2817780), (30, 2629928), (35, 2254224), (40, 1972446), (42, 1878520), (48, 1643705), (49, 1610160), (56, 1408890), (60, 1314964), (70, 1127112), (80, 986223), (84, 939260), (98, 805080), (105, 751408), (112, 704445), (120, 657482), (140, 563556), (147, 536720), (168, 469630), (196, 402540), (210, 375704), (240, 328741), (245, 322032), (280, 281778), (294, 268360), (336, 234815), (392, 201270), (420, 187852), (490, 161016), (560, 140889), (588, 134180), (735, 107344), (784, 100635), (840, 93926), (980, 80508), (1176, 67090), (1470, 53672), (1680, 46963), (1960, 40254), (2352, 33545), (2940, 26836), (3920, 20127), (5880, 13418), (6709, 11760)]