389978503920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1560913}}^1$

素因数の和:1561279

約数の個数: 120

約数和(自身を含む): 1313452938096

約数和(自身を除く): 923474434176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 347, 360, 694, 720, 1041, 1388, 1735, 2082, 2776, 3123, 3470, 4164, 5205, 5552, 6246, 6940, 8328, 10410, 12492, 13880, 15615, 16656, 20820, 24984, 27760, 31230, 41640, 49968, 62460, 83280, 124920, 249840, 1560913, 3121826, 4682739, 6243652, 7804565, 9365478, 12487304, 14048217, 15609130, 18730956, 23413695, 24974608, 28096434, 31218260, 37461912, 46827390, 56192868, 62436520, 70241085, 74923824, 93654780, 112385736, 124873040, 140482170, 187309560, 224771472, 280964340, 374619120, 541636811, 561928680, 1083273622, 1123857360, 1624910433, 2166547244, 2708184055, 3249820866, 4333094488, 4874731299, 5416368110, 6499641732, 8124552165, 8666188976, 9749462598, 10832736220, 12999283464, 16249104330, 19498925196, 21665472440, 24373656495, 25998566928, 32498208660, 38997850392, 43330944880, 48747312990, 64996417320, 77995700784, 97494625980, 129992834640, 194989251960, 389978503920]

約数ペア:

[(1, 389978503920), (2, 194989251960), (3, 129992834640), (4, 97494625980), (5, 77995700784), (6, 64996417320), (8, 48747312990), (9, 43330944880), (10, 38997850392), (12, 32498208660), (15, 25998566928), (16, 24373656495), (18, 21665472440), (20, 19498925196), (24, 16249104330), (30, 12999283464), (36, 10832736220), (40, 9749462598), (45, 8666188976), (48, 8124552165), (60, 6499641732), (72, 5416368110), (80, 4874731299), (90, 4333094488), (120, 3249820866), (144, 2708184055), (180, 2166547244), (240, 1624910433), (347, 1123857360), (360, 1083273622), (694, 561928680), (720, 541636811), (1041, 374619120), (1388, 280964340), (1735, 224771472), (2082, 187309560), (2776, 140482170), (3123, 124873040), (3470, 112385736), (4164, 93654780), (5205, 74923824), (5552, 70241085), (6246, 62436520), (6940, 56192868), (8328, 46827390), (10410, 37461912), (12492, 31218260), (13880, 28096434), (15615, 24974608), (16656, 23413695), (20820, 18730956), (24984, 15609130), (27760, 14048217), (31230, 12487304), (41640, 9365478), (49968, 7804565), (62460, 6243652), (83280, 4682739), (124920, 3121826), (249840, 1560913)]