247578880

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1523}}^1$

素因数の和:1671

約数の個数: 72

約数和(自身を含む): 598090752

約数和(自身を除く): 350511872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1270, 1280, 1523, 2032, 2540, 3046, 4064, 5080, 6092, 7615, 8128, 10160, 12184, 15230, 16256, 20320, 24368, 30460, 32512, 40640, 48736, 60920, 81280, 97472, 121840, 162560, 193421, 194944, 243680, 386842, 389888, 487360, 773684, 967105, 974720, 1547368, 1934210, 1949440, 3094736, 3868420, 6189472, 7736840, 12378944, 15473680, 24757888, 30947360, 49515776, 61894720, 123789440, 247578880]

約数ペア:

[(1, 247578880), (2, 123789440), (4, 61894720), (5, 49515776), (8, 30947360), (10, 24757888), (16, 15473680), (20, 12378944), (32, 7736840), (40, 6189472), (64, 3868420), (80, 3094736), (127, 1949440), (128, 1934210), (160, 1547368), (254, 974720), (256, 967105), (320, 773684), (508, 487360), (635, 389888), (640, 386842), (1016, 243680), (1270, 194944), (1280, 193421), (1523, 162560), (2032, 121840), (2540, 97472), (3046, 81280), (4064, 60920), (5080, 48736), (6092, 40640), (7615, 32512), (8128, 30460), (10160, 24368), (12184, 20320), (15230, 16256)]