208965420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:147

約数の個数: 288

約数和(自身を含む): 724039680

約数和(自身を除く): 515074260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 31, 36, 38, 45, 54, 57, 60, 62, 73, 76, 81, 90, 93, 95, 108, 114, 124, 135, 146, 155, 162, 171, 180, 186, 190, 219, 228, 243, 270, 279, 285, 292, 310, 324, 342, 365, 372, 380, 405, 438, 465, 486, 513, 540, 558, 570, 589, 620, 657, 684, 730, 810, 837, 855, 876, 930, 972, 1026, 1095, 1116, 1140, 1178, 1215, 1314, 1387, 1395, 1460, 1539, 1620, 1674, 1710, 1767, 1860, 1971, 2052, 2190, 2263, 2356, 2430, 2511, 2565, 2628, 2774, 2790, 2945, 3078, 3285, 3348, 3420, 3534, 3942, 4161, 4185, 4380, 4526, 4617, 4860, 5022, 5130, 5301, 5548, 5580, 5890, 5913, 6156, 6570, 6789, 6935, 7068, 7533, 7695, 7884, 8322, 8370, 8835, 9052, 9234, 9855, 10044, 10260, 10602, 11315, 11780, 11826, 12483, 12555, 13140, 13578, 13870, 15066, 15390, 15903, 16644, 16740, 17670, 17739, 18468, 19710, 20367, 20805, 21204, 22630, 23085, 23652, 24966, 25110, 26505, 27156, 27740, 29565, 30132, 30780, 31806, 33945, 35340, 35478, 37449, 37665, 39420, 40734, 41610, 42997, 45260, 46170, 47709, 49932, 50220, 53010, 59130, 61101, 62415, 63612, 67890, 70956, 74898, 75330, 79515, 81468, 83220, 85994, 88695, 92340, 95418, 101835, 106020, 112347, 118260, 122202, 124830, 128991, 135780, 143127, 149796, 150660, 159030, 171988, 177390, 183303, 187245, 190836, 203670, 214985, 224694, 238545, 244404, 249660, 257982, 286254, 305505, 318060, 337041, 354780, 366606, 374490, 386973, 407340, 429970, 449388, 477090, 515964, 549909, 561735, 572508, 611010, 644955, 674082, 715635, 733212, 748980, 773946, 859940, 916515, 954180, 1099818, 1123470, 1160919, 1222020, 1289910, 1348164, 1431270, 1547892, 1685205, 1833030, 1934865, 2199636, 2246940, 2321838, 2579820, 2749545, 2862540, 3370410, 3482757, 3666060, 3869730, 4643676, 5499090, 5804595, 6740820, 6965514, 7739460, 10448271, 10998180, 11609190, 13931028, 17413785, 20896542, 23218380, 34827570, 41793084, 52241355, 69655140, 104482710, 208965420]

約数ペア:

[(1, 208965420), (2, 104482710), (3, 69655140), (4, 52241355), (5, 41793084), (6, 34827570), (9, 23218380), (10, 20896542), (12, 17413785), (15, 13931028), (18, 11609190), (19, 10998180), (20, 10448271), (27, 7739460), (30, 6965514), (31, 6740820), (36, 5804595), (38, 5499090), (45, 4643676), (54, 3869730), (57, 3666060), (60, 3482757), (62, 3370410), (73, 2862540), (76, 2749545), (81, 2579820), (90, 2321838), (93, 2246940), (95, 2199636), (108, 1934865), (114, 1833030), (124, 1685205), (135, 1547892), (146, 1431270), (155, 1348164), (162, 1289910), (171, 1222020), (180, 1160919), (186, 1123470), (190, 1099818), (219, 954180), (228, 916515), (243, 859940), (270, 773946), (279, 748980), (285, 733212), (292, 715635), (310, 674082), (324, 644955), (342, 611010), (365, 572508), (372, 561735), (380, 549909), (405, 515964), (438, 477090), (465, 449388), (486, 429970), (513, 407340), (540, 386973), (558, 374490), (570, 366606), (589, 354780), (620, 337041), (657, 318060), (684, 305505), (730, 286254), (810, 257982), (837, 249660), (855, 244404), (876, 238545), (930, 224694), (972, 214985), (1026, 203670), (1095, 190836), (1116, 187245), (1140, 183303), (1178, 177390), (1215, 171988), (1314, 159030), (1387, 150660), (1395, 149796), (1460, 143127), (1539, 135780), (1620, 128991), (1674, 124830), (1710, 122202), (1767, 118260), (1860, 112347), (1971, 106020), (2052, 101835), (2190, 95418), (2263, 92340), (2356, 88695), (2430, 85994), (2511, 83220), (2565, 81468), (2628, 79515), (2774, 75330), (2790, 74898), (2945, 70956), (3078, 67890), (3285, 63612), (3348, 62415), (3420, 61101), (3534, 59130), (3942, 53010), (4161, 50220), (4185, 49932), (4380, 47709), (4526, 46170), (4617, 45260), (4860, 42997), (5022, 41610), (5130, 40734), (5301, 39420), (5548, 37665), (5580, 37449), (5890, 35478), (5913, 35340), (6156, 33945), (6570, 31806), (6789, 30780), (6935, 30132), (7068, 29565), (7533, 27740), (7695, 27156), (7884, 26505), (8322, 25110), (8370, 24966), (8835, 23652), (9052, 23085), (9234, 22630), (9855, 21204), (10044, 20805), (10260, 20367), (10602, 19710), (11315, 18468), (11780, 17739), (11826, 17670), (12483, 16740), (12555, 16644), (13140, 15903), (13578, 15390), (13870, 15066)]