71275820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1551

約数の個数: 96

約数和(自身を含む): 192761856

約数和(自身を除く): 121486036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 434, 620, 682, 770, 868, 1085, 1364, 1493, 1540, 1705, 2170, 2387, 2986, 3410, 4340, 4774, 5972, 6820, 7465, 9548, 10451, 11935, 14930, 16423, 20902, 23870, 29860, 32846, 41804, 46283, 47740, 52255, 65692, 82115, 92566, 104510, 114961, 164230, 185132, 209020, 229922, 231415, 323981, 328460, 459844, 462830, 509113, 574805, 647962, 925660, 1018226, 1149610, 1295924, 1619905, 2036452, 2299220, 2545565, 3239810, 3563791, 5091130, 6479620, 7127582, 10182260, 14255164, 17818955, 35637910, 71275820]

約数ペア:

[(1, 71275820), (2, 35637910), (4, 17818955), (5, 14255164), (7, 10182260), (10, 7127582), (11, 6479620), (14, 5091130), (20, 3563791), (22, 3239810), (28, 2545565), (31, 2299220), (35, 2036452), (44, 1619905), (55, 1295924), (62, 1149610), (70, 1018226), (77, 925660), (110, 647962), (124, 574805), (140, 509113), (154, 462830), (155, 459844), (217, 328460), (220, 323981), (308, 231415), (310, 229922), (341, 209020), (385, 185132), (434, 164230), (620, 114961), (682, 104510), (770, 92566), (868, 82115), (1085, 65692), (1364, 52255), (1493, 47740), (1540, 46283), (1705, 41804), (2170, 32846), (2387, 29860), (2986, 23870), (3410, 20902), (4340, 16423), (4774, 14930), (5972, 11935), (6820, 10451), (7465, 9548)]