640464216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{3967}}^1$

素因数の和:4045

約数の個数: 96

約数和(自身を含む): 1891307520

約数和(自身を除く): 1250843304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 651, 744, 868, 961, 1302, 1736, 1922, 2604, 2883, 3844, 3967, 5208, 5766, 6727, 7688, 7934, 11532, 11901, 13454, 15868, 20181, 23064, 23802, 26908, 27769, 31736, 40362, 47604, 53816, 55538, 80724, 83307, 95208, 111076, 122977, 161448, 166614, 222152, 245954, 333228, 368931, 491908, 666456, 737862, 860839, 983816, 1475724, 1721678, 2582517, 2951448, 3443356, 3812287, 5165034, 6886712, 7624574, 10330068, 11436861, 15249148, 20660136, 22873722, 26686009, 30498296, 45747444, 53372018, 80058027, 91494888, 106744036, 160116054, 213488072, 320232108, 640464216]

約数ペア:

[(1, 640464216), (2, 320232108), (3, 213488072), (4, 160116054), (6, 106744036), (7, 91494888), (8, 80058027), (12, 53372018), (14, 45747444), (21, 30498296), (24, 26686009), (28, 22873722), (31, 20660136), (42, 15249148), (56, 11436861), (62, 10330068), (84, 7624574), (93, 6886712), (124, 5165034), (168, 3812287), (186, 3443356), (217, 2951448), (248, 2582517), (372, 1721678), (434, 1475724), (651, 983816), (744, 860839), (868, 737862), (961, 666456), (1302, 491908), (1736, 368931), (1922, 333228), (2604, 245954), (2883, 222152), (3844, 166614), (3967, 161448), (5208, 122977), (5766, 111076), (6727, 95208), (7688, 83307), (7934, 80724), (11532, 55538), (11901, 53816), (13454, 47604), (15868, 40362), (20181, 31736), (23064, 27769), (23802, 26908)]