16428720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1$

素因数の和:168

約数の個数: 240

約数和(自身を含む): 65138688

約数和(自身を除く): 48709968

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, 127, 132, 140, 147, 154, 165, 168, 176, 196, 210, 220, 231, 240, 245, 254, 264, 280, 294, 308, 330, 336, 381, 385, 392, 420, 440, 462, 490, 508, 528, 539, 560, 588, 616, 635, 660, 735, 762, 770, 784, 840, 880, 889, 924, 980, 1016, 1078, 1155, 1176, 1232, 1270, 1320, 1397, 1470, 1524, 1540, 1617, 1680, 1778, 1848, 1905, 1960, 2032, 2156, 2310, 2352, 2540, 2640, 2667, 2695, 2794, 2940, 3048, 3080, 3234, 3556, 3696, 3810, 3920, 4191, 4312, 4445, 4620, 5080, 5334, 5390, 5588, 5880, 6096, 6160, 6223, 6468, 6985, 7112, 7620, 8085, 8382, 8624, 8890, 9240, 9779, 10160, 10668, 10780, 11176, 11760, 12446, 12936, 13335, 13970, 14224, 15240, 16170, 16764, 17780, 18480, 18669, 19558, 20955, 21336, 21560, 22352, 24892, 25872, 26670, 27940, 29337, 30480, 31115, 32340, 33528, 35560, 37338, 39116, 41910, 42672, 43120, 48895, 49784, 53340, 55880, 58674, 62230, 64680, 67056, 68453, 71120, 74676, 78232, 83820, 93345, 97790, 99568, 106680, 111760, 117348, 124460, 129360, 136906, 146685, 149352, 156464, 167640, 186690, 195580, 205359, 213360, 234696, 248920, 273812, 293370, 298704, 335280, 342265, 373380, 391160, 410718, 469392, 497840, 547624, 586740, 684530, 746760, 782320, 821436, 1026795, 1095248, 1173480, 1369060, 1493520, 1642872, 2053590, 2346960, 2738120, 3285744, 4107180, 5476240, 8214360, 16428720]

約数ペア:

[(1, 16428720), (2, 8214360), (3, 5476240), (4, 4107180), (5, 3285744), (6, 2738120), (7, 2346960), (8, 2053590), (10, 1642872), (11, 1493520), (12, 1369060), (14, 1173480), (15, 1095248), (16, 1026795), (20, 821436), (21, 782320), (22, 746760), (24, 684530), (28, 586740), (30, 547624), (33, 497840), (35, 469392), (40, 410718), (42, 391160), (44, 373380), (48, 342265), (49, 335280), (55, 298704), (56, 293370), (60, 273812), (66, 248920), (70, 234696), (77, 213360), (80, 205359), (84, 195580), (88, 186690), (98, 167640), (105, 156464), (110, 149352), (112, 146685), (120, 136906), (127, 129360), (132, 124460), (140, 117348), (147, 111760), (154, 106680), (165, 99568), (168, 97790), (176, 93345), (196, 83820), (210, 78232), (220, 74676), (231, 71120), (240, 68453), (245, 67056), (254, 64680), (264, 62230), (280, 58674), (294, 55880), (308, 53340), (330, 49784), (336, 48895), (381, 43120), (385, 42672), (392, 41910), (420, 39116), (440, 37338), (462, 35560), (490, 33528), (508, 32340), (528, 31115), (539, 30480), (560, 29337), (588, 27940), (616, 26670), (635, 25872), (660, 24892), (735, 22352), (762, 21560), (770, 21336), (784, 20955), (840, 19558), (880, 18669), (889, 18480), (924, 17780), (980, 16764), (1016, 16170), (1078, 15240), (1155, 14224), (1176, 13970), (1232, 13335), (1270, 12936), (1320, 12446), (1397, 11760), (1470, 11176), (1524, 10780), (1540, 10668), (1617, 10160), (1680, 9779), (1778, 9240), (1848, 8890), (1905, 8624), (1960, 8382), (2032, 8085), (2156, 7620), (2310, 7112), (2352, 6985), (2540, 6468), (2640, 6223), (2667, 6160), (2695, 6096), (2794, 5880), (2940, 5588), (3048, 5390), (3080, 5334), (3234, 5080), (3556, 4620), (3696, 4445), (3810, 4312), (3920, 4191)]