66328220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 180169920

約数和(自身を除く): 113841700

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 29, 31, 34, 35, 58, 62, 68, 70, 85, 116, 119, 124, 140, 145, 155, 170, 203, 217, 238, 290, 310, 340, 406, 434, 476, 493, 527, 580, 595, 620, 812, 868, 899, 961, 986, 1015, 1054, 1085, 1190, 1798, 1922, 1972, 2030, 2108, 2170, 2380, 2465, 2635, 3451, 3596, 3689, 3844, 4060, 4340, 4495, 4805, 4930, 5270, 6293, 6727, 6902, 7378, 8990, 9610, 9860, 10540, 12586, 13454, 13804, 14756, 15283, 16337, 17255, 17980, 18445, 19220, 25172, 26908, 27869, 30566, 31465, 32674, 33635, 34510, 36890, 55738, 61132, 62930, 65348, 67270, 69020, 73780, 76415, 81685, 106981, 111476, 114359, 125860, 134540, 139345, 152830, 163370, 195083, 213962, 228718, 278690, 305660, 326740, 390166, 427924, 457436, 473773, 534905, 557380, 571795, 780332, 947546, 975415, 1069810, 1143590, 1895092, 1950830, 2139620, 2287180, 2368865, 3316411, 3901660, 4737730, 6632822, 9475460, 13265644, 16582055, 33164110, 66328220]

約数ペア:

[(1, 66328220), (2, 33164110), (4, 16582055), (5, 13265644), (7, 9475460), (10, 6632822), (14, 4737730), (17, 3901660), (20, 3316411), (28, 2368865), (29, 2287180), (31, 2139620), (34, 1950830), (35, 1895092), (58, 1143590), (62, 1069810), (68, 975415), (70, 947546), (85, 780332), (116, 571795), (119, 557380), (124, 534905), (140, 473773), (145, 457436), (155, 427924), (170, 390166), (203, 326740), (217, 305660), (238, 278690), (290, 228718), (310, 213962), (340, 195083), (406, 163370), (434, 152830), (476, 139345), (493, 134540), (527, 125860), (580, 114359), (595, 111476), (620, 106981), (812, 81685), (868, 76415), (899, 73780), (961, 69020), (986, 67270), (1015, 65348), (1054, 62930), (1085, 61132), (1190, 55738), (1798, 36890), (1922, 34510), (1972, 33635), (2030, 32674), (2108, 31465), (2170, 30566), (2380, 27869), (2465, 26908), (2635, 25172), (3451, 19220), (3596, 18445), (3689, 17980), (3844, 17255), (4060, 16337), (4340, 15283), (4495, 14756), (4805, 13804), (4930, 13454), (5270, 12586), (6293, 10540), (6727, 9860), (6902, 9610), (7378, 8990)]