68866880

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 112

約数和(自身を含む): 174741840

約数和(自身を除く): 105874960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 41, 58, 64, 80, 82, 116, 145, 160, 164, 181, 205, 232, 290, 320, 328, 362, 410, 464, 580, 656, 724, 820, 905, 928, 1160, 1189, 1312, 1448, 1640, 1810, 1856, 2320, 2378, 2624, 2896, 3280, 3620, 4640, 4756, 5249, 5792, 5945, 6560, 7240, 7421, 9280, 9512, 10498, 11584, 11890, 13120, 14480, 14842, 19024, 20996, 23780, 26245, 28960, 29684, 37105, 38048, 41992, 47560, 52490, 57920, 59368, 74210, 76096, 83984, 95120, 104980, 118736, 148420, 167968, 190240, 209960, 215209, 237472, 296840, 335936, 380480, 419920, 430418, 474944, 593680, 839840, 860836, 1076045, 1187360, 1679680, 1721672, 2152090, 2374720, 3443344, 4304180, 6886688, 8608360, 13773376, 17216720, 34433440, 68866880]

約数ペア:

[(1, 68866880), (2, 34433440), (4, 17216720), (5, 13773376), (8, 8608360), (10, 6886688), (16, 4304180), (20, 3443344), (29, 2374720), (32, 2152090), (40, 1721672), (41, 1679680), (58, 1187360), (64, 1076045), (80, 860836), (82, 839840), (116, 593680), (145, 474944), (160, 430418), (164, 419920), (181, 380480), (205, 335936), (232, 296840), (290, 237472), (320, 215209), (328, 209960), (362, 190240), (410, 167968), (464, 148420), (580, 118736), (656, 104980), (724, 95120), (820, 83984), (905, 76096), (928, 74210), (1160, 59368), (1189, 57920), (1312, 52490), (1448, 47560), (1640, 41992), (1810, 38048), (1856, 37105), (2320, 29684), (2378, 28960), (2624, 26245), (2896, 23780), (3280, 20996), (3620, 19024), (4640, 14842), (4756, 14480), (5249, 13120), (5792, 11890), (5945, 11584), (6560, 10498), (7240, 9512), (7421, 9280)]