17216720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 42653520

約数和(自身を除く): 25436800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 41, 58, 80, 82, 116, 145, 164, 181, 205, 232, 290, 328, 362, 410, 464, 580, 656, 724, 820, 905, 1160, 1189, 1448, 1640, 1810, 2320, 2378, 2896, 3280, 3620, 4756, 5249, 5945, 7240, 7421, 9512, 10498, 11890, 14480, 14842, 19024, 20996, 23780, 26245, 29684, 37105, 41992, 47560, 52490, 59368, 74210, 83984, 95120, 104980, 118736, 148420, 209960, 215209, 296840, 419920, 430418, 593680, 860836, 1076045, 1721672, 2152090, 3443344, 4304180, 8608360, 17216720]

約数ペア:

[(1, 17216720), (2, 8608360), (4, 4304180), (5, 3443344), (8, 2152090), (10, 1721672), (16, 1076045), (20, 860836), (29, 593680), (40, 430418), (41, 419920), (58, 296840), (80, 215209), (82, 209960), (116, 148420), (145, 118736), (164, 104980), (181, 95120), (205, 83984), (232, 74210), (290, 59368), (328, 52490), (362, 47560), (410, 41992), (464, 37105), (580, 29684), (656, 26245), (724, 23780), (820, 20996), (905, 19024), (1160, 14842), (1189, 14480), (1448, 11890), (1640, 10498), (1810, 9512), (2320, 7421), (2378, 7240), (2896, 5945), (3280, 5249), (3620, 4756)]