815081760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^3$

素因数の和:133

約数の個数: 288

約数和(自身を含む): 3025451520

約数和(自身を除く): 2210369760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 32, 36, 38, 40, 45, 48, 57, 60, 62, 72, 76, 80, 90, 93, 95, 96, 114, 120, 124, 144, 152, 155, 160, 171, 180, 186, 190, 228, 240, 248, 279, 285, 288, 304, 310, 342, 360, 372, 380, 456, 465, 480, 496, 558, 570, 589, 608, 620, 684, 720, 744, 760, 855, 912, 930, 961, 992, 1116, 1140, 1178, 1240, 1368, 1395, 1440, 1488, 1520, 1710, 1767, 1824, 1860, 1922, 2232, 2280, 2356, 2480, 2736, 2790, 2883, 2945, 2976, 3040, 3420, 3534, 3720, 3844, 4464, 4560, 4712, 4805, 4960, 5301, 5472, 5580, 5766, 5890, 6840, 7068, 7440, 7688, 8649, 8835, 8928, 9120, 9424, 9610, 10602, 11160, 11532, 11780, 13680, 14136, 14415, 14880, 15376, 17298, 17670, 18259, 18848, 19220, 21204, 22320, 23064, 23560, 26505, 27360, 28272, 28830, 29791, 30752, 34596, 35340, 36518, 38440, 42408, 43245, 44640, 46128, 47120, 53010, 54777, 56544, 57660, 59582, 69192, 70680, 73036, 76880, 84816, 86490, 89373, 91295, 92256, 94240, 106020, 109554, 115320, 119164, 138384, 141360, 146072, 148955, 153760, 164331, 169632, 172980, 178746, 182590, 212040, 219108, 230640, 238328, 268119, 273885, 276768, 282720, 292144, 297910, 328662, 345960, 357492, 365180, 424080, 438216, 446865, 461280, 476656, 536238, 547770, 566029, 584288, 595820, 657324, 691920, 714984, 730360, 821655, 848160, 876432, 893730, 953312, 1072476, 1095540, 1132058, 1191640, 1314648, 1340595, 1383840, 1429968, 1460720, 1643310, 1698087, 1752864, 1787460, 2144952, 2191080, 2264116, 2383280, 2629296, 2681190, 2830145, 2859936, 2921440, 3286620, 3396174, 3574920, 4289904, 4382160, 4528232, 4766560, 5094261, 5258592, 5362380, 5660290, 6573240, 6792348, 7149840, 8490435, 8579808, 8764320, 9056464, 10188522, 10724760, 11320580, 13146480, 13584696, 14299680, 16980870, 18112928, 20377044, 21449520, 22641160, 25471305, 26292960, 27169392, 33961740, 40754088, 42899040, 45282320, 50942610, 54338784, 67923480, 81508176, 90564640, 101885220, 135846960, 163016352, 203770440, 271693920, 407540880, 815081760]

約数ペア:

[(1, 815081760), (2, 407540880), (3, 271693920), (4, 203770440), (5, 163016352), (6, 135846960), (8, 101885220), (9, 90564640), (10, 81508176), (12, 67923480), (15, 54338784), (16, 50942610), (18, 45282320), (19, 42899040), (20, 40754088), (24, 33961740), (30, 27169392), (31, 26292960), (32, 25471305), (36, 22641160), (38, 21449520), (40, 20377044), (45, 18112928), (48, 16980870), (57, 14299680), (60, 13584696), (62, 13146480), (72, 11320580), (76, 10724760), (80, 10188522), (90, 9056464), (93, 8764320), (95, 8579808), (96, 8490435), (114, 7149840), (120, 6792348), (124, 6573240), (144, 5660290), (152, 5362380), (155, 5258592), (160, 5094261), (171, 4766560), (180, 4528232), (186, 4382160), (190, 4289904), (228, 3574920), (240, 3396174), (248, 3286620), (279, 2921440), (285, 2859936), (288, 2830145), (304, 2681190), (310, 2629296), (342, 2383280), (360, 2264116), (372, 2191080), (380, 2144952), (456, 1787460), (465, 1752864), (480, 1698087), (496, 1643310), (558, 1460720), (570, 1429968), (589, 1383840), (608, 1340595), (620, 1314648), (684, 1191640), (720, 1132058), (744, 1095540), (760, 1072476), (855, 953312), (912, 893730), (930, 876432), (961, 848160), (992, 821655), (1116, 730360), (1140, 714984), (1178, 691920), (1240, 657324), (1368, 595820), (1395, 584288), (1440, 566029), (1488, 547770), (1520, 536238), (1710, 476656), (1767, 461280), (1824, 446865), (1860, 438216), (1922, 424080), (2232, 365180), (2280, 357492), (2356, 345960), (2480, 328662), (2736, 297910), (2790, 292144), (2883, 282720), (2945, 276768), (2976, 273885), (3040, 268119), (3420, 238328), (3534, 230640), (3720, 219108), (3844, 212040), (4464, 182590), (4560, 178746), (4712, 172980), (4805, 169632), (4960, 164331), (5301, 153760), (5472, 148955), (5580, 146072), (5766, 141360), (5890, 138384), (6840, 119164), (7068, 115320), (7440, 109554), (7688, 106020), (8649, 94240), (8835, 92256), (8928, 91295), (9120, 89373), (9424, 86490), (9610, 84816), (10602, 76880), (11160, 73036), (11532, 70680), (11780, 69192), (13680, 59582), (14136, 57660), (14415, 56544), (14880, 54777), (15376, 53010), (17298, 47120), (17670, 46128), (18259, 44640), (18848, 43245), (19220, 42408), (21204, 38440), (22320, 36518), (23064, 35340), (23560, 34596), (26505, 30752), (27360, 29791), (28272, 28830)]