71709440

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{463}}^1$

素因数の和:506

約数の個数: 108

約数和(自身を含む): 189208992

約数和(自身を除く): 117499552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 320, 352, 440, 463, 484, 605, 640, 704, 880, 926, 968, 1210, 1280, 1408, 1760, 1852, 1936, 2315, 2420, 2816, 3520, 3704, 3872, 4630, 4840, 5093, 7040, 7408, 7744, 9260, 9680, 10186, 14080, 14816, 15488, 18520, 19360, 20372, 25465, 29632, 30976, 37040, 38720, 40744, 50930, 56023, 59264, 74080, 77440, 81488, 101860, 112046, 118528, 148160, 154880, 162976, 203720, 224092, 280115, 296320, 325952, 407440, 448184, 560230, 592640, 651904, 814880, 896368, 1120460, 1303808, 1629760, 1792736, 2240920, 3259520, 3585472, 4481840, 6519040, 7170944, 8963680, 14341888, 17927360, 35854720, 71709440]

約数ペア:

[(1, 71709440), (2, 35854720), (4, 17927360), (5, 14341888), (8, 8963680), (10, 7170944), (11, 6519040), (16, 4481840), (20, 3585472), (22, 3259520), (32, 2240920), (40, 1792736), (44, 1629760), (55, 1303808), (64, 1120460), (80, 896368), (88, 814880), (110, 651904), (121, 592640), (128, 560230), (160, 448184), (176, 407440), (220, 325952), (242, 296320), (256, 280115), (320, 224092), (352, 203720), (440, 162976), (463, 154880), (484, 148160), (605, 118528), (640, 112046), (704, 101860), (880, 81488), (926, 77440), (968, 74080), (1210, 59264), (1280, 56023), (1408, 50930), (1760, 40744), (1852, 38720), (1936, 37040), (2315, 30976), (2420, 29632), (2816, 25465), (3520, 20372), (3704, 19360), (3872, 18520), (4630, 15488), (4840, 14816), (5093, 14080), (7040, 10186), (7408, 9680), (7744, 9260)]