1189920640

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{353}}^1$

素因数の和:624

約数の個数: 128

約数和(自身を含む): 2989742400

約数和(自身を除く): 1799821760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 229, 230, 320, 353, 368, 458, 460, 640, 706, 736, 916, 920, 1145, 1412, 1472, 1765, 1832, 1840, 2290, 2824, 2944, 3530, 3664, 3680, 4580, 5267, 5648, 7060, 7328, 7360, 8119, 9160, 10534, 11296, 14120, 14656, 14720, 16238, 18320, 21068, 22592, 26335, 28240, 29312, 32476, 36640, 40595, 42136, 45184, 52670, 56480, 64952, 73280, 80837, 81190, 84272, 105340, 112960, 129904, 146560, 161674, 162380, 168544, 210680, 225920, 259808, 323348, 324760, 337088, 404185, 421360, 519616, 646696, 649520, 674176, 808370, 842720, 1039232, 1293392, 1299040, 1616740, 1685440, 1859251, 2586784, 2598080, 3233480, 3370880, 3718502, 5173568, 5196160, 6466960, 7437004, 9296255, 10347136, 12933920, 14874008, 18592510, 25867840, 29748016, 37185020, 51735680, 59496032, 74370040, 118992064, 148740080, 237984128, 297480160, 594960320, 1189920640]

約数ペア:

[(1, 1189920640), (2, 594960320), (4, 297480160), (5, 237984128), (8, 148740080), (10, 118992064), (16, 74370040), (20, 59496032), (23, 51735680), (32, 37185020), (40, 29748016), (46, 25867840), (64, 18592510), (80, 14874008), (92, 12933920), (115, 10347136), (128, 9296255), (160, 7437004), (184, 6466960), (229, 5196160), (230, 5173568), (320, 3718502), (353, 3370880), (368, 3233480), (458, 2598080), (460, 2586784), (640, 1859251), (706, 1685440), (736, 1616740), (916, 1299040), (920, 1293392), (1145, 1039232), (1412, 842720), (1472, 808370), (1765, 674176), (1832, 649520), (1840, 646696), (2290, 519616), (2824, 421360), (2944, 404185), (3530, 337088), (3664, 324760), (3680, 323348), (4580, 259808), (5267, 225920), (5648, 210680), (7060, 168544), (7328, 162380), (7360, 161674), (8119, 146560), (9160, 129904), (10534, 112960), (11296, 105340), (14120, 84272), (14656, 81190), (14720, 80837), (16238, 73280), (18320, 64952), (21068, 56480), (22592, 52670), (26335, 45184), (28240, 42136), (29312, 40595), (32476, 36640)]