320036960

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:496

約数の個数: 96

約数和(自身を含む): 780972192

約数和(自身を除く): 460935232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 181, 215, 257, 344, 362, 430, 514, 688, 724, 860, 905, 1028, 1285, 1376, 1448, 1720, 1810, 2056, 2570, 2896, 3440, 3620, 4112, 5140, 5792, 6880, 7240, 7783, 8224, 10280, 11051, 14480, 15566, 20560, 22102, 28960, 31132, 38915, 41120, 44204, 46517, 55255, 62264, 77830, 88408, 93034, 110510, 124528, 155660, 176816, 186068, 221020, 232585, 249056, 311320, 353632, 372136, 442040, 465170, 622640, 744272, 884080, 930340, 1245280, 1488544, 1768160, 1860680, 2000231, 3721360, 4000462, 7442720, 8000924, 10001155, 16001848, 20002310, 32003696, 40004620, 64007392, 80009240, 160018480, 320036960]

約数ペア:

[(1, 320036960), (2, 160018480), (4, 80009240), (5, 64007392), (8, 40004620), (10, 32003696), (16, 20002310), (20, 16001848), (32, 10001155), (40, 8000924), (43, 7442720), (80, 4000462), (86, 3721360), (160, 2000231), (172, 1860680), (181, 1768160), (215, 1488544), (257, 1245280), (344, 930340), (362, 884080), (430, 744272), (514, 622640), (688, 465170), (724, 442040), (860, 372136), (905, 353632), (1028, 311320), (1285, 249056), (1376, 232585), (1448, 221020), (1720, 186068), (1810, 176816), (2056, 155660), (2570, 124528), (2896, 110510), (3440, 93034), (3620, 88408), (4112, 77830), (5140, 62264), (5792, 55255), (6880, 46517), (7240, 44204), (7783, 41120), (8224, 38915), (10280, 31132), (11051, 28960), (14480, 22102), (15566, 20560)]