312851280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{719}}^1$

素因数の和:786

約数の個数: 240

約数和(自身を含む): 1160282880

約数和(自身を除く): 847431600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 48, 49, 56, 60, 70, 74, 80, 84, 98, 105, 111, 112, 120, 140, 147, 148, 168, 185, 196, 210, 222, 240, 245, 259, 280, 294, 296, 336, 370, 392, 420, 444, 490, 518, 555, 560, 588, 592, 719, 735, 740, 777, 784, 840, 888, 980, 1036, 1110, 1176, 1295, 1438, 1470, 1480, 1554, 1680, 1776, 1813, 1960, 2072, 2157, 2220, 2352, 2590, 2876, 2940, 2960, 3108, 3595, 3626, 3885, 3920, 4144, 4314, 4440, 5033, 5180, 5439, 5752, 5880, 6216, 7190, 7252, 7770, 8628, 8880, 9065, 10066, 10360, 10785, 10878, 11504, 11760, 12432, 14380, 14504, 15099, 15540, 17256, 18130, 20132, 20720, 21570, 21756, 25165, 26603, 27195, 28760, 29008, 30198, 31080, 34512, 35231, 36260, 40264, 43140, 43512, 50330, 53206, 54390, 57520, 60396, 62160, 70462, 72520, 75495, 79809, 80528, 86280, 87024, 100660, 105693, 106412, 108780, 120792, 133015, 140924, 145040, 150990, 159618, 172560, 176155, 186221, 201320, 211386, 212824, 217560, 241584, 266030, 281848, 301980, 319236, 352310, 372442, 399045, 402640, 422772, 425648, 435120, 528465, 532060, 558663, 563696, 603960, 638472, 704620, 744884, 798090, 845544, 931105, 1056930, 1064120, 1117326, 1207920, 1276944, 1303547, 1409240, 1489768, 1596180, 1691088, 1862210, 2113860, 2128240, 2234652, 2607094, 2793315, 2818480, 2979536, 3192360, 3724420, 3910641, 4227720, 4469304, 5214188, 5586630, 6384720, 6517735, 7448840, 7821282, 8455440, 8938608, 10428376, 11173260, 13035470, 14897680, 15642564, 19553205, 20856752, 22346520, 26070940, 31285128, 39106410, 44693040, 52141880, 62570256, 78212820, 104283760, 156425640, 312851280]

約数ペア:

[(1, 312851280), (2, 156425640), (3, 104283760), (4, 78212820), (5, 62570256), (6, 52141880), (7, 44693040), (8, 39106410), (10, 31285128), (12, 26070940), (14, 22346520), (15, 20856752), (16, 19553205), (20, 15642564), (21, 14897680), (24, 13035470), (28, 11173260), (30, 10428376), (35, 8938608), (37, 8455440), (40, 7821282), (42, 7448840), (48, 6517735), (49, 6384720), (56, 5586630), (60, 5214188), (70, 4469304), (74, 4227720), (80, 3910641), (84, 3724420), (98, 3192360), (105, 2979536), (111, 2818480), (112, 2793315), (120, 2607094), (140, 2234652), (147, 2128240), (148, 2113860), (168, 1862210), (185, 1691088), (196, 1596180), (210, 1489768), (222, 1409240), (240, 1303547), (245, 1276944), (259, 1207920), (280, 1117326), (294, 1064120), (296, 1056930), (336, 931105), (370, 845544), (392, 798090), (420, 744884), (444, 704620), (490, 638472), (518, 603960), (555, 563696), (560, 558663), (588, 532060), (592, 528465), (719, 435120), (735, 425648), (740, 422772), (777, 402640), (784, 399045), (840, 372442), (888, 352310), (980, 319236), (1036, 301980), (1110, 281848), (1176, 266030), (1295, 241584), (1438, 217560), (1470, 212824), (1480, 211386), (1554, 201320), (1680, 186221), (1776, 176155), (1813, 172560), (1960, 159618), (2072, 150990), (2157, 145040), (2220, 140924), (2352, 133015), (2590, 120792), (2876, 108780), (2940, 106412), (2960, 105693), (3108, 100660), (3595, 87024), (3626, 86280), (3885, 80528), (3920, 79809), (4144, 75495), (4314, 72520), (4440, 70462), (5033, 62160), (5180, 60396), (5439, 57520), (5752, 54390), (5880, 53206), (6216, 50330), (7190, 43512), (7252, 43140), (7770, 40264), (8628, 36260), (8880, 35231), (9065, 34512), (10066, 31080), (10360, 30198), (10785, 29008), (10878, 28760), (11504, 27195), (11760, 26603), (12432, 25165), (14380, 21756), (14504, 21570), (15099, 20720), (15540, 20132), (17256, 18130)]