81626160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{631}}^1$

素因数の和:672

約数の個数: 240

約数和(自身を含む): 321622272

約数和(自身を除く): 239996112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 77, 80, 84, 88, 98, 105, 110, 112, 120, 132, 140, 147, 154, 165, 168, 176, 196, 210, 220, 231, 240, 245, 264, 280, 294, 308, 330, 336, 385, 392, 420, 440, 462, 490, 528, 539, 560, 588, 616, 631, 660, 735, 770, 784, 840, 880, 924, 980, 1078, 1155, 1176, 1232, 1262, 1320, 1470, 1540, 1617, 1680, 1848, 1893, 1960, 2156, 2310, 2352, 2524, 2640, 2695, 2940, 3080, 3155, 3234, 3696, 3786, 3920, 4312, 4417, 4620, 5048, 5390, 5880, 6160, 6310, 6468, 6941, 7572, 8085, 8624, 8834, 9240, 9465, 10096, 10780, 11760, 12620, 12936, 13251, 13882, 15144, 16170, 17668, 18480, 18930, 20823, 21560, 22085, 25240, 25872, 26502, 27764, 30288, 30919, 32340, 34705, 35336, 37860, 41646, 43120, 44170, 48587, 50480, 53004, 55528, 61838, 64680, 66255, 69410, 70672, 75720, 83292, 88340, 92757, 97174, 104115, 106008, 111056, 123676, 129360, 132510, 138820, 145761, 151440, 154595, 166584, 176680, 185514, 194348, 208230, 212016, 242935, 247352, 265020, 277640, 291522, 309190, 333168, 340109, 353360, 371028, 388696, 416460, 463785, 485870, 494704, 530040, 555280, 583044, 618380, 680218, 728805, 742056, 777392, 832920, 927570, 971740, 1020327, 1060080, 1166088, 1236760, 1360436, 1457610, 1484112, 1665840, 1700545, 1855140, 1943480, 2040654, 2332176, 2473520, 2720872, 2915220, 3401090, 3710280, 3886960, 4081308, 5101635, 5441744, 5830440, 6802180, 7420560, 8162616, 10203270, 11660880, 13604360, 16325232, 20406540, 27208720, 40813080, 81626160]

約数ペア:

[(1, 81626160), (2, 40813080), (3, 27208720), (4, 20406540), (5, 16325232), (6, 13604360), (7, 11660880), (8, 10203270), (10, 8162616), (11, 7420560), (12, 6802180), (14, 5830440), (15, 5441744), (16, 5101635), (20, 4081308), (21, 3886960), (22, 3710280), (24, 3401090), (28, 2915220), (30, 2720872), (33, 2473520), (35, 2332176), (40, 2040654), (42, 1943480), (44, 1855140), (48, 1700545), (49, 1665840), (55, 1484112), (56, 1457610), (60, 1360436), (66, 1236760), (70, 1166088), (77, 1060080), (80, 1020327), (84, 971740), (88, 927570), (98, 832920), (105, 777392), (110, 742056), (112, 728805), (120, 680218), (132, 618380), (140, 583044), (147, 555280), (154, 530040), (165, 494704), (168, 485870), (176, 463785), (196, 416460), (210, 388696), (220, 371028), (231, 353360), (240, 340109), (245, 333168), (264, 309190), (280, 291522), (294, 277640), (308, 265020), (330, 247352), (336, 242935), (385, 212016), (392, 208230), (420, 194348), (440, 185514), (462, 176680), (490, 166584), (528, 154595), (539, 151440), (560, 145761), (588, 138820), (616, 132510), (631, 129360), (660, 123676), (735, 111056), (770, 106008), (784, 104115), (840, 97174), (880, 92757), (924, 88340), (980, 83292), (1078, 75720), (1155, 70672), (1176, 69410), (1232, 66255), (1262, 64680), (1320, 61838), (1470, 55528), (1540, 53004), (1617, 50480), (1680, 48587), (1848, 44170), (1893, 43120), (1960, 41646), (2156, 37860), (2310, 35336), (2352, 34705), (2524, 32340), (2640, 30919), (2695, 30288), (2940, 27764), (3080, 26502), (3155, 25872), (3234, 25240), (3696, 22085), (3786, 21560), (3920, 20823), (4312, 18930), (4417, 18480), (4620, 17668), (5048, 16170), (5390, 15144), (5880, 13882), (6160, 13251), (6310, 12936), (6468, 12620), (6941, 11760), (7572, 10780), (8085, 10096), (8624, 9465), (8834, 9240)]