78869120

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1$

素因数の和:706

約数の個数: 128

約数和(自身を含む): 218116800

約数和(自身を除く): 139247680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 374, 440, 544, 640, 659, 680, 704, 748, 880, 935, 1088, 1318, 1360, 1408, 1496, 1760, 1870, 2176, 2636, 2720, 2992, 3295, 3520, 3740, 5272, 5440, 5984, 6590, 7040, 7249, 7480, 10544, 10880, 11203, 11968, 13180, 14498, 14960, 21088, 22406, 23936, 26360, 28996, 29920, 36245, 42176, 44812, 52720, 56015, 57992, 59840, 72490, 84352, 89624, 105440, 112030, 115984, 119680, 123233, 144980, 179248, 210880, 224060, 231968, 246466, 289960, 358496, 421760, 448120, 463936, 492932, 579920, 616165, 716992, 896240, 927872, 985864, 1159840, 1232330, 1433984, 1792480, 1971728, 2319680, 2464660, 3584960, 3943456, 4639360, 4929320, 7169920, 7886912, 9858640, 15773824, 19717280, 39434560, 78869120]

約数ペア:

[(1, 78869120), (2, 39434560), (4, 19717280), (5, 15773824), (8, 9858640), (10, 7886912), (11, 7169920), (16, 4929320), (17, 4639360), (20, 3943456), (22, 3584960), (32, 2464660), (34, 2319680), (40, 1971728), (44, 1792480), (55, 1433984), (64, 1232330), (68, 1159840), (80, 985864), (85, 927872), (88, 896240), (110, 716992), (128, 616165), (136, 579920), (160, 492932), (170, 463936), (176, 448120), (187, 421760), (220, 358496), (272, 289960), (320, 246466), (340, 231968), (352, 224060), (374, 210880), (440, 179248), (544, 144980), (640, 123233), (659, 119680), (680, 115984), (704, 112030), (748, 105440), (880, 89624), (935, 84352), (1088, 72490), (1318, 59840), (1360, 57992), (1408, 56015), (1496, 52720), (1760, 44812), (1870, 42176), (2176, 36245), (2636, 29920), (2720, 28996), (2992, 26360), (3295, 23936), (3520, 22406), (3740, 21088), (5272, 14960), (5440, 14498), (5984, 13180), (6590, 11968), (7040, 11203), (7249, 10880), (7480, 10544)]