212505120

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:909

約数の個数: 240

約数和(自身を含む): 790352640

約数和(自身を除く): 577847520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 324, 342, 360, 380, 405, 432, 456, 480, 513, 540, 570, 608, 648, 684, 720, 760, 810, 855, 863, 864, 912, 1026, 1080, 1140, 1296, 1368, 1440, 1520, 1539, 1620, 1710, 1726, 1824, 2052, 2160, 2280, 2565, 2589, 2592, 2736, 3040, 3078, 3240, 3420, 3452, 4104, 4315, 4320, 4560, 5130, 5178, 5472, 6156, 6480, 6840, 6904, 7695, 7767, 8208, 8630, 9120, 10260, 10356, 12312, 12945, 12960, 13680, 13808, 15390, 15534, 16397, 16416, 17260, 20520, 20712, 23301, 24624, 25890, 27360, 27616, 30780, 31068, 32794, 34520, 38835, 41040, 41424, 46602, 49191, 49248, 51780, 61560, 62136, 65588, 69040, 69903, 77670, 81985, 82080, 82848, 93204, 98382, 103560, 116505, 123120, 124272, 131176, 138080, 139806, 147573, 155340, 163970, 186408, 196764, 207120, 233010, 245955, 246240, 248544, 262352, 279612, 295146, 310680, 327940, 349515, 372816, 393528, 414240, 442719, 466020, 491910, 524704, 559224, 590292, 621360, 655880, 699030, 737865, 745632, 787056, 885438, 932040, 983820, 1118448, 1180584, 1242720, 1311760, 1328157, 1398060, 1475730, 1574112, 1770876, 1864080, 1967640, 2213595, 2236896, 2361168, 2623520, 2656314, 2796120, 2951460, 3541752, 3728160, 3935280, 4427190, 4722336, 5312628, 5592240, 5902920, 6640785, 7083504, 7870560, 8854380, 10625256, 11184480, 11805840, 13281570, 14167008, 17708760, 21250512, 23611680, 26563140, 35417520, 42501024, 53126280, 70835040, 106252560, 212505120]

約数ペア:

[(1, 212505120), (2, 106252560), (3, 70835040), (4, 53126280), (5, 42501024), (6, 35417520), (8, 26563140), (9, 23611680), (10, 21250512), (12, 17708760), (15, 14167008), (16, 13281570), (18, 11805840), (19, 11184480), (20, 10625256), (24, 8854380), (27, 7870560), (30, 7083504), (32, 6640785), (36, 5902920), (38, 5592240), (40, 5312628), (45, 4722336), (48, 4427190), (54, 3935280), (57, 3728160), (60, 3541752), (72, 2951460), (76, 2796120), (80, 2656314), (81, 2623520), (90, 2361168), (95, 2236896), (96, 2213595), (108, 1967640), (114, 1864080), (120, 1770876), (135, 1574112), (144, 1475730), (152, 1398060), (160, 1328157), (162, 1311760), (171, 1242720), (180, 1180584), (190, 1118448), (216, 983820), (228, 932040), (240, 885438), (270, 787056), (285, 745632), (288, 737865), (304, 699030), (324, 655880), (342, 621360), (360, 590292), (380, 559224), (405, 524704), (432, 491910), (456, 466020), (480, 442719), (513, 414240), (540, 393528), (570, 372816), (608, 349515), (648, 327940), (684, 310680), (720, 295146), (760, 279612), (810, 262352), (855, 248544), (863, 246240), (864, 245955), (912, 233010), (1026, 207120), (1080, 196764), (1140, 186408), (1296, 163970), (1368, 155340), (1440, 147573), (1520, 139806), (1539, 138080), (1620, 131176), (1710, 124272), (1726, 123120), (1824, 116505), (2052, 103560), (2160, 98382), (2280, 93204), (2565, 82848), (2589, 82080), (2592, 81985), (2736, 77670), (3040, 69903), (3078, 69040), (3240, 65588), (3420, 62136), (3452, 61560), (4104, 51780), (4315, 49248), (4320, 49191), (4560, 46602), (5130, 41424), (5178, 41040), (5472, 38835), (6156, 34520), (6480, 32794), (6840, 31068), (6904, 30780), (7695, 27616), (7767, 27360), (8208, 25890), (8630, 24624), (9120, 23301), (10260, 20712), (10356, 20520), (12312, 17260), (12945, 16416), (12960, 16397), (13680, 15534), (13808, 15390)]