320486688

素因数分解:

$2^5\times 3^2\times {\mathrm{163}}^1\times {\mathrm{6827}}^1$

素因数の和:7006

約数の個数: 72

約数和(自身を含む): 917109648

約数和(自身を除く): 596622960

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 163, 288, 326, 489, 652, 978, 1304, 1467, 1956, 2608, 2934, 3912, 5216, 5868, 6827, 7824, 11736, 13654, 15648, 20481, 23472, 27308, 40962, 46944, 54616, 61443, 81924, 109232, 122886, 163848, 218464, 245772, 327696, 491544, 655392, 983088, 1112801, 1966176, 2225602, 3338403, 4451204, 6676806, 8902408, 10015209, 13353612, 17804816, 20030418, 26707224, 35609632, 40060836, 53414448, 80121672, 106828896, 160243344, 320486688]

約数ペア:

[(1, 320486688), (2, 160243344), (3, 106828896), (4, 80121672), (6, 53414448), (8, 40060836), (9, 35609632), (12, 26707224), (16, 20030418), (18, 17804816), (24, 13353612), (32, 10015209), (36, 8902408), (48, 6676806), (72, 4451204), (96, 3338403), (144, 2225602), (163, 1966176), (288, 1112801), (326, 983088), (489, 655392), (652, 491544), (978, 327696), (1304, 245772), (1467, 218464), (1956, 163848), (2608, 122886), (2934, 109232), (3912, 81924), (5216, 61443), (5868, 54616), (6827, 46944), (7824, 40962), (11736, 27308), (13654, 23472), (15648, 20481)]