1620624768

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{3331}}^1$

素因数の和:3536

約数の個数: 128

約数和(自身を含む): 4948419840

約数和(自身を除く): 3327795072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 181, 192, 224, 336, 362, 384, 448, 543, 672, 724, 896, 1086, 1267, 1344, 1448, 2172, 2534, 2688, 2896, 3331, 3801, 4344, 5068, 5792, 6662, 7602, 8688, 9993, 10136, 11584, 13324, 15204, 17376, 19986, 20272, 23168, 23317, 26648, 30408, 34752, 39972, 40544, 46634, 53296, 60816, 69504, 69951, 79944, 81088, 93268, 106592, 121632, 139902, 159888, 162176, 186536, 213184, 243264, 279804, 319776, 373072, 426368, 486528, 559608, 602911, 639552, 746144, 1119216, 1205822, 1279104, 1492288, 1808733, 2238432, 2411644, 2984576, 3617466, 4220377, 4476864, 4823288, 7234932, 8440754, 8953728, 9646576, 12661131, 14469864, 16881508, 19293152, 25322262, 28939728, 33763016, 38586304, 50644524, 57879456, 67526032, 77172608, 101289048, 115758912, 135052064, 202578096, 231517824, 270104128, 405156192, 540208256, 810312384, 1620624768]

約数ペア:

[(1, 1620624768), (2, 810312384), (3, 540208256), (4, 405156192), (6, 270104128), (7, 231517824), (8, 202578096), (12, 135052064), (14, 115758912), (16, 101289048), (21, 77172608), (24, 67526032), (28, 57879456), (32, 50644524), (42, 38586304), (48, 33763016), (56, 28939728), (64, 25322262), (84, 19293152), (96, 16881508), (112, 14469864), (128, 12661131), (168, 9646576), (181, 8953728), (192, 8440754), (224, 7234932), (336, 4823288), (362, 4476864), (384, 4220377), (448, 3617466), (543, 2984576), (672, 2411644), (724, 2238432), (896, 1808733), (1086, 1492288), (1267, 1279104), (1344, 1205822), (1448, 1119216), (2172, 746144), (2534, 639552), (2688, 602911), (2896, 559608), (3331, 486528), (3801, 426368), (4344, 373072), (5068, 319776), (5792, 279804), (6662, 243264), (7602, 213184), (8688, 186536), (9993, 162176), (10136, 159888), (11584, 139902), (13324, 121632), (15204, 106592), (17376, 93268), (19986, 81088), (20272, 79944), (23168, 69951), (23317, 69504), (26648, 60816), (30408, 53296), (34752, 46634), (39972, 40544)]