1639892800

素因数分解:

$2^6\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1609}}^1$

素因数の和:1658

約数の個数: 252

約数和(自身を含む): 5058178860

約数和(自身を除く): 3418286060

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 49, 50, 52, 56, 64, 65, 70, 80, 91, 98, 100, 104, 112, 130, 140, 160, 175, 182, 196, 200, 208, 224, 245, 260, 280, 320, 325, 350, 364, 392, 400, 416, 448, 455, 490, 520, 560, 637, 650, 700, 728, 784, 800, 832, 910, 980, 1040, 1120, 1225, 1274, 1300, 1400, 1456, 1568, 1600, 1609, 1820, 1960, 2080, 2240, 2275, 2450, 2548, 2600, 2800, 2912, 3136, 3185, 3218, 3640, 3920, 4160, 4550, 4900, 5096, 5200, 5600, 5824, 6370, 6436, 7280, 7840, 8045, 9100, 9800, 10192, 10400, 11200, 11263, 12740, 12872, 14560, 15680, 15925, 16090, 18200, 19600, 20384, 20800, 20917, 22526, 25480, 25744, 29120, 31850, 32180, 36400, 39200, 40225, 40768, 41834, 45052, 50960, 51488, 56315, 63700, 64360, 72800, 78400, 78841, 80450, 83668, 90104, 101920, 102976, 104585, 112630, 127400, 128720, 145600, 146419, 157682, 160900, 167336, 180208, 203840, 209170, 225260, 254800, 257440, 281575, 292838, 315364, 321800, 334672, 360416, 394205, 418340, 450520, 509600, 514880, 522925, 563150, 585676, 630728, 643600, 669344, 720832, 732095, 788410, 836680, 901040, 1019200, 1024933, 1045850, 1126300, 1171352, 1261456, 1287200, 1338688, 1464190, 1576820, 1673360, 1802080, 1971025, 2049866, 2091700, 2252600, 2342704, 2522912, 2574400, 2928380, 3153640, 3346720, 3604160, 3660475, 3942050, 4099732, 4183400, 4505200, 4685408, 5045824, 5124665, 5856760, 6307280, 6693440, 7320950, 7884100, 8199464, 8366800, 9010400, 9370816, 10249330, 11713520, 12614560, 14641900, 15768200, 16398928, 16733600, 18020800, 20498660, 23427040, 25229120, 25623325, 29283800, 31536400, 32797856, 33467200, 40997320, 46854080, 51246650, 58567600, 63072800, 65595712, 81994640, 102493300, 117135200, 126145600, 163989280, 204986600, 234270400, 327978560, 409973200, 819946400, 1639892800]

約数ペア:

[(1, 1639892800), (2, 819946400), (4, 409973200), (5, 327978560), (7, 234270400), (8, 204986600), (10, 163989280), (13, 126145600), (14, 117135200), (16, 102493300), (20, 81994640), (25, 65595712), (26, 63072800), (28, 58567600), (32, 51246650), (35, 46854080), (40, 40997320), (49, 33467200), (50, 32797856), (52, 31536400), (56, 29283800), (64, 25623325), (65, 25229120), (70, 23427040), (80, 20498660), (91, 18020800), (98, 16733600), (100, 16398928), (104, 15768200), (112, 14641900), (130, 12614560), (140, 11713520), (160, 10249330), (175, 9370816), (182, 9010400), (196, 8366800), (200, 8199464), (208, 7884100), (224, 7320950), (245, 6693440), (260, 6307280), (280, 5856760), (320, 5124665), (325, 5045824), (350, 4685408), (364, 4505200), (392, 4183400), (400, 4099732), (416, 3942050), (448, 3660475), (455, 3604160), (490, 3346720), (520, 3153640), (560, 2928380), (637, 2574400), (650, 2522912), (700, 2342704), (728, 2252600), (784, 2091700), (800, 2049866), (832, 1971025), (910, 1802080), (980, 1673360), (1040, 1576820), (1120, 1464190), (1225, 1338688), (1274, 1287200), (1300, 1261456), (1400, 1171352), (1456, 1126300), (1568, 1045850), (1600, 1024933), (1609, 1019200), (1820, 901040), (1960, 836680), (2080, 788410), (2240, 732095), (2275, 720832), (2450, 669344), (2548, 643600), (2600, 630728), (2800, 585676), (2912, 563150), (3136, 522925), (3185, 514880), (3218, 509600), (3640, 450520), (3920, 418340), (4160, 394205), (4550, 360416), (4900, 334672), (5096, 321800), (5200, 315364), (5600, 292838), (5824, 281575), (6370, 257440), (6436, 254800), (7280, 225260), (7840, 209170), (8045, 203840), (9100, 180208), (9800, 167336), (10192, 160900), (10400, 157682), (11200, 146419), (11263, 145600), (12740, 128720), (12872, 127400), (14560, 112630), (15680, 104585), (15925, 102976), (16090, 101920), (18200, 90104), (19600, 83668), (20384, 80450), (20800, 78841), (20917, 78400), (22526, 72800), (25480, 64360), (25744, 63700), (29120, 56315), (31850, 51488), (32180, 50960), (36400, 45052), (39200, 41834), (40225, 40768)]