28278276840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{375841}}^1$

素因数の和:375888

約数の個数: 192

約数和(自身を含む): 105536433600

約数和(自身を除く): 77258156760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 55, 57, 60, 66, 72, 76, 88, 90, 95, 99, 110, 114, 120, 132, 152, 165, 171, 180, 190, 198, 209, 220, 228, 264, 285, 330, 342, 360, 380, 396, 418, 440, 456, 495, 570, 627, 660, 684, 760, 792, 836, 855, 990, 1045, 1140, 1254, 1320, 1368, 1672, 1710, 1881, 1980, 2090, 2280, 2508, 3135, 3420, 3762, 3960, 4180, 5016, 6270, 6840, 7524, 8360, 9405, 12540, 15048, 18810, 25080, 37620, 75240, 375841, 751682, 1127523, 1503364, 1879205, 2255046, 3006728, 3382569, 3758410, 4134251, 4510092, 5637615, 6765138, 7140979, 7516820, 8268502, 9020184, 11275230, 12402753, 13530276, 14281958, 15033640, 16537004, 16912845, 20671255, 21422937, 22550460, 24805506, 27060552, 28563916, 33074008, 33825690, 35704895, 37208259, 41342510, 42845874, 45100920, 49611012, 57127832, 62013765, 64268811, 67651380, 71409790, 74416518, 78550769, 82685020, 85691748, 99222024, 107114685, 124027530, 128537622, 135302760, 142819580, 148833036, 157101538, 165370040, 171383496, 186041295, 214229370, 235652307, 248055060, 257075244, 285639160, 297666072, 314203076, 321344055, 372082590, 392753845, 428458740, 471304614, 496110120, 514150488, 628406152, 642688110, 706956921, 744165180, 785507690, 856917480, 942609228, 1178261535, 1285376220, 1413913842, 1488330360, 1571015380, 1885218456, 2356523070, 2570752440, 2827827684, 3142030760, 3534784605, 4713046140, 5655655368, 7069569210, 9426092280, 14139138420, 28278276840]

約数ペア:

[(1, 28278276840), (2, 14139138420), (3, 9426092280), (4, 7069569210), (5, 5655655368), (6, 4713046140), (8, 3534784605), (9, 3142030760), (10, 2827827684), (11, 2570752440), (12, 2356523070), (15, 1885218456), (18, 1571015380), (19, 1488330360), (20, 1413913842), (22, 1285376220), (24, 1178261535), (30, 942609228), (33, 856917480), (36, 785507690), (38, 744165180), (40, 706956921), (44, 642688110), (45, 628406152), (55, 514150488), (57, 496110120), (60, 471304614), (66, 428458740), (72, 392753845), (76, 372082590), (88, 321344055), (90, 314203076), (95, 297666072), (99, 285639160), (110, 257075244), (114, 248055060), (120, 235652307), (132, 214229370), (152, 186041295), (165, 171383496), (171, 165370040), (180, 157101538), (190, 148833036), (198, 142819580), (209, 135302760), (220, 128537622), (228, 124027530), (264, 107114685), (285, 99222024), (330, 85691748), (342, 82685020), (360, 78550769), (380, 74416518), (396, 71409790), (418, 67651380), (440, 64268811), (456, 62013765), (495, 57127832), (570, 49611012), (627, 45100920), (660, 42845874), (684, 41342510), (760, 37208259), (792, 35704895), (836, 33825690), (855, 33074008), (990, 28563916), (1045, 27060552), (1140, 24805506), (1254, 22550460), (1320, 21422937), (1368, 20671255), (1672, 16912845), (1710, 16537004), (1881, 15033640), (1980, 14281958), (2090, 13530276), (2280, 12402753), (2508, 11275230), (3135, 9020184), (3420, 8268502), (3762, 7516820), (3960, 7140979), (4180, 6765138), (5016, 5637615), (6270, 4510092), (6840, 4134251), (7524, 3758410), (8360, 3382569), (9405, 3006728), (12540, 2255046), (15048, 1879205), (18810, 1503364), (25080, 1127523), (37620, 751682), (75240, 375841)]