31087800

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:148

約数の個数: 240

約数和(自身を含む): 114780600

約数和(自身を除く): 83692800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 25, 27, 30, 36, 38, 40, 45, 50, 54, 57, 60, 72, 75, 76, 81, 90, 95, 100, 101, 108, 114, 120, 135, 150, 152, 162, 171, 180, 190, 200, 202, 216, 225, 228, 270, 285, 300, 303, 324, 342, 360, 380, 404, 405, 450, 456, 475, 505, 513, 540, 570, 600, 606, 648, 675, 684, 760, 808, 810, 855, 900, 909, 950, 1010, 1026, 1080, 1140, 1212, 1350, 1368, 1425, 1515, 1539, 1620, 1710, 1800, 1818, 1900, 1919, 2020, 2025, 2052, 2280, 2424, 2525, 2565, 2700, 2727, 2850, 3030, 3078, 3240, 3420, 3636, 3800, 3838, 4040, 4050, 4104, 4275, 4545, 5050, 5130, 5400, 5454, 5700, 5757, 6060, 6156, 6840, 7272, 7575, 7676, 7695, 8100, 8181, 8550, 9090, 9595, 10100, 10260, 10908, 11400, 11514, 12120, 12312, 12825, 13635, 15150, 15352, 15390, 16200, 16362, 17100, 17271, 18180, 19190, 20200, 20520, 21816, 22725, 23028, 25650, 27270, 28785, 30300, 30780, 32724, 34200, 34542, 36360, 38380, 38475, 40905, 45450, 46056, 47975, 51300, 51813, 54540, 57570, 60600, 61560, 65448, 68175, 69084, 76760, 76950, 81810, 86355, 90900, 95950, 102600, 103626, 109080, 115140, 136350, 138168, 143925, 153900, 155439, 163620, 172710, 181800, 191900, 204525, 207252, 230280, 259065, 272700, 287850, 307800, 310878, 327240, 345420, 383800, 409050, 414504, 431775, 518130, 545400, 575700, 621756, 690840, 777195, 818100, 863550, 1036260, 1151400, 1243512, 1295325, 1554390, 1636200, 1727100, 2072520, 2590650, 3108780, 3454200, 3885975, 5181300, 6217560, 7771950, 10362600, 15543900, 31087800]

約数ペア:

[(1, 31087800), (2, 15543900), (3, 10362600), (4, 7771950), (5, 6217560), (6, 5181300), (8, 3885975), (9, 3454200), (10, 3108780), (12, 2590650), (15, 2072520), (18, 1727100), (19, 1636200), (20, 1554390), (24, 1295325), (25, 1243512), (27, 1151400), (30, 1036260), (36, 863550), (38, 818100), (40, 777195), (45, 690840), (50, 621756), (54, 575700), (57, 545400), (60, 518130), (72, 431775), (75, 414504), (76, 409050), (81, 383800), (90, 345420), (95, 327240), (100, 310878), (101, 307800), (108, 287850), (114, 272700), (120, 259065), (135, 230280), (150, 207252), (152, 204525), (162, 191900), (171, 181800), (180, 172710), (190, 163620), (200, 155439), (202, 153900), (216, 143925), (225, 138168), (228, 136350), (270, 115140), (285, 109080), (300, 103626), (303, 102600), (324, 95950), (342, 90900), (360, 86355), (380, 81810), (404, 76950), (405, 76760), (450, 69084), (456, 68175), (475, 65448), (505, 61560), (513, 60600), (540, 57570), (570, 54540), (600, 51813), (606, 51300), (648, 47975), (675, 46056), (684, 45450), (760, 40905), (808, 38475), (810, 38380), (855, 36360), (900, 34542), (909, 34200), (950, 32724), (1010, 30780), (1026, 30300), (1080, 28785), (1140, 27270), (1212, 25650), (1350, 23028), (1368, 22725), (1425, 21816), (1515, 20520), (1539, 20200), (1620, 19190), (1710, 18180), (1800, 17271), (1818, 17100), (1900, 16362), (1919, 16200), (2020, 15390), (2025, 15352), (2052, 15150), (2280, 13635), (2424, 12825), (2525, 12312), (2565, 12120), (2700, 11514), (2727, 11400), (2850, 10908), (3030, 10260), (3078, 10100), (3240, 9595), (3420, 9090), (3636, 8550), (3800, 8181), (3838, 8100), (4040, 7695), (4050, 7676), (4104, 7575), (4275, 7272), (4545, 6840), (5050, 6156), (5130, 6060), (5400, 5757), (5454, 5700)]