209201520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:863

約数の個数: 160

約数和(自身を含む): 714954240

約数和(自身を除く): 505752720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 109, 110, 120, 132, 165, 176, 218, 220, 240, 264, 327, 330, 436, 440, 528, 545, 654, 660, 727, 872, 880, 1090, 1199, 1308, 1320, 1454, 1635, 1744, 2180, 2181, 2398, 2616, 2640, 2908, 3270, 3597, 3635, 4360, 4362, 4796, 5232, 5816, 5995, 6540, 7194, 7270, 7997, 8720, 8724, 9592, 10905, 11632, 11990, 13080, 14388, 14540, 15994, 17448, 17985, 19184, 21810, 23980, 23991, 26160, 28776, 29080, 31988, 34896, 35970, 39985, 43620, 47960, 47982, 57552, 58160, 63976, 71940, 79243, 79970, 87240, 95920, 95964, 119955, 127952, 143880, 158486, 159940, 174480, 191928, 237729, 239910, 287760, 316972, 319880, 383856, 396215, 475458, 479820, 633944, 639760, 792430, 871673, 950916, 959640, 1188645, 1267888, 1584860, 1743346, 1901832, 1919280, 2377290, 2615019, 3169720, 3486692, 3803664, 4358365, 4754580, 5230038, 6339440, 6973384, 8716730, 9509160, 10460076, 13075095, 13946768, 17433460, 19018320, 20920152, 26150190, 34866920, 41840304, 52300380, 69733840, 104600760, 209201520]

約数ペア:

[(1, 209201520), (2, 104600760), (3, 69733840), (4, 52300380), (5, 41840304), (6, 34866920), (8, 26150190), (10, 20920152), (11, 19018320), (12, 17433460), (15, 13946768), (16, 13075095), (20, 10460076), (22, 9509160), (24, 8716730), (30, 6973384), (33, 6339440), (40, 5230038), (44, 4754580), (48, 4358365), (55, 3803664), (60, 3486692), (66, 3169720), (80, 2615019), (88, 2377290), (109, 1919280), (110, 1901832), (120, 1743346), (132, 1584860), (165, 1267888), (176, 1188645), (218, 959640), (220, 950916), (240, 871673), (264, 792430), (327, 639760), (330, 633944), (436, 479820), (440, 475458), (528, 396215), (545, 383856), (654, 319880), (660, 316972), (727, 287760), (872, 239910), (880, 237729), (1090, 191928), (1199, 174480), (1308, 159940), (1320, 158486), (1454, 143880), (1635, 127952), (1744, 119955), (2180, 95964), (2181, 95920), (2398, 87240), (2616, 79970), (2640, 79243), (2908, 71940), (3270, 63976), (3597, 58160), (3635, 57552), (4360, 47982), (4362, 47960), (4796, 43620), (5232, 39985), (5816, 35970), (5995, 34896), (6540, 31988), (7194, 29080), (7270, 28776), (7997, 26160), (8720, 23991), (8724, 23980), (9592, 21810), (10905, 19184), (11632, 17985), (11990, 17448), (13080, 15994), (14388, 14540)]