47872020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:902

約数の個数: 144

約数和(自身を含む): 164324160

約数和(自身を除く): 116452140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 857, 931, 980, 1140, 1330, 1470, 1596, 1714, 1862, 1995, 2571, 2660, 2793, 2940, 3428, 3724, 3990, 4285, 4655, 5142, 5586, 5999, 7980, 8570, 9310, 10284, 11172, 11998, 12855, 13965, 16283, 17140, 17997, 18620, 23996, 25710, 27930, 29995, 32566, 35994, 41993, 48849, 51420, 55860, 59990, 65132, 71988, 81415, 83986, 89985, 97698, 113981, 119980, 125979, 162830, 167972, 179970, 195396, 209965, 227962, 244245, 251958, 325660, 341943, 359940, 419930, 455924, 488490, 503916, 569905, 629895, 683886, 797867, 839860, 976980, 1139810, 1259790, 1367772, 1595734, 1709715, 2279620, 2393601, 2519580, 3191468, 3419430, 3989335, 4787202, 6838860, 7978670, 9574404, 11968005, 15957340, 23936010, 47872020]

約数ペア:

[(1, 47872020), (2, 23936010), (3, 15957340), (4, 11968005), (5, 9574404), (6, 7978670), (7, 6838860), (10, 4787202), (12, 3989335), (14, 3419430), (15, 3191468), (19, 2519580), (20, 2393601), (21, 2279620), (28, 1709715), (30, 1595734), (35, 1367772), (38, 1259790), (42, 1139810), (49, 976980), (57, 839860), (60, 797867), (70, 683886), (76, 629895), (84, 569905), (95, 503916), (98, 488490), (105, 455924), (114, 419930), (133, 359940), (140, 341943), (147, 325660), (190, 251958), (196, 244245), (210, 227962), (228, 209965), (245, 195396), (266, 179970), (285, 167972), (294, 162830), (380, 125979), (399, 119980), (420, 113981), (490, 97698), (532, 89985), (570, 83986), (588, 81415), (665, 71988), (735, 65132), (798, 59990), (857, 55860), (931, 51420), (980, 48849), (1140, 41993), (1330, 35994), (1470, 32566), (1596, 29995), (1714, 27930), (1862, 25710), (1995, 23996), (2571, 18620), (2660, 17997), (2793, 17140), (2940, 16283), (3428, 13965), (3724, 12855), (3990, 11998), (4285, 11172), (4655, 10284), (5142, 9310), (5586, 8570), (5999, 7980)]