328456560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:575

約数の個数: 160

約数和(自身を含む): 1072074240

約数和(自身を除く): 743617680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 157, 184, 230, 240, 276, 314, 345, 368, 379, 460, 471, 552, 628, 690, 758, 785, 920, 942, 1104, 1137, 1256, 1380, 1516, 1570, 1840, 1884, 1895, 2274, 2355, 2512, 2760, 3032, 3140, 3611, 3768, 3790, 4548, 4710, 5520, 5685, 6064, 6280, 7222, 7536, 7580, 8717, 9096, 9420, 10833, 11370, 12560, 14444, 15160, 17434, 18055, 18192, 18840, 21666, 22740, 26151, 28888, 30320, 34868, 36110, 37680, 43332, 43585, 45480, 52302, 54165, 57776, 59503, 69736, 72220, 86664, 87170, 90960, 104604, 108330, 119006, 130755, 139472, 144440, 173328, 174340, 178509, 209208, 216660, 238012, 261510, 288880, 297515, 348680, 357018, 418416, 433320, 476024, 523020, 595030, 697360, 714036, 866640, 892545, 952048, 1046040, 1190060, 1368569, 1428072, 1785090, 2092080, 2380120, 2737138, 2856144, 3570180, 4105707, 4760240, 5474276, 6842845, 7140360, 8211414, 10948552, 13685690, 14280720, 16422828, 20528535, 21897104, 27371380, 32845656, 41057070, 54742760, 65691312, 82114140, 109485520, 164228280, 328456560]

約数ペア:

[(1, 328456560), (2, 164228280), (3, 109485520), (4, 82114140), (5, 65691312), (6, 54742760), (8, 41057070), (10, 32845656), (12, 27371380), (15, 21897104), (16, 20528535), (20, 16422828), (23, 14280720), (24, 13685690), (30, 10948552), (40, 8211414), (46, 7140360), (48, 6842845), (60, 5474276), (69, 4760240), (80, 4105707), (92, 3570180), (115, 2856144), (120, 2737138), (138, 2380120), (157, 2092080), (184, 1785090), (230, 1428072), (240, 1368569), (276, 1190060), (314, 1046040), (345, 952048), (368, 892545), (379, 866640), (460, 714036), (471, 697360), (552, 595030), (628, 523020), (690, 476024), (758, 433320), (785, 418416), (920, 357018), (942, 348680), (1104, 297515), (1137, 288880), (1256, 261510), (1380, 238012), (1516, 216660), (1570, 209208), (1840, 178509), (1884, 174340), (1895, 173328), (2274, 144440), (2355, 139472), (2512, 130755), (2760, 119006), (3032, 108330), (3140, 104604), (3611, 90960), (3768, 87170), (3790, 86664), (4548, 72220), (4710, 69736), (5520, 59503), (5685, 57776), (6064, 54165), (6280, 52302), (7222, 45480), (7536, 43585), (7580, 43332), (8717, 37680), (9096, 36110), (9420, 34868), (10833, 30320), (11370, 28888), (12560, 26151), (14444, 22740), (15160, 21666), (17434, 18840), (18055, 18192)]