320779920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{19949}}^1$

素因数の和:20032

約数の個数: 80

約数和(自身を含む): 1009310400

約数和(自身を除く): 688530480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 67, 80, 120, 134, 201, 240, 268, 335, 402, 536, 670, 804, 1005, 1072, 1340, 1608, 2010, 2680, 3216, 4020, 5360, 8040, 16080, 19949, 39898, 59847, 79796, 99745, 119694, 159592, 199490, 239388, 299235, 319184, 398980, 478776, 598470, 797960, 957552, 1196940, 1336583, 1595920, 2393880, 2673166, 4009749, 4787760, 5346332, 6682915, 8019498, 10692664, 13365830, 16038996, 20048745, 21385328, 26731660, 32077992, 40097490, 53463320, 64155984, 80194980, 106926640, 160389960, 320779920]

約数ペア:

[(1, 320779920), (2, 160389960), (3, 106926640), (4, 80194980), (5, 64155984), (6, 53463320), (8, 40097490), (10, 32077992), (12, 26731660), (15, 21385328), (16, 20048745), (20, 16038996), (24, 13365830), (30, 10692664), (40, 8019498), (48, 6682915), (60, 5346332), (67, 4787760), (80, 4009749), (120, 2673166), (134, 2393880), (201, 1595920), (240, 1336583), (268, 1196940), (335, 957552), (402, 797960), (536, 598470), (670, 478776), (804, 398980), (1005, 319184), (1072, 299235), (1340, 239388), (1608, 199490), (2010, 159592), (2680, 119694), (3216, 99745), (4020, 79796), (5360, 59847), (8040, 39898), (16080, 19949)]