1393787360

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:378

約数の個数: 192

約数和(自身を含む): 3891888000

約数和(自身を除く): 2498100640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 109, 112, 140, 160, 196, 218, 224, 233, 245, 280, 343, 392, 436, 466, 490, 545, 560, 686, 763, 784, 872, 932, 980, 1090, 1120, 1165, 1372, 1526, 1568, 1631, 1715, 1744, 1864, 1960, 2180, 2330, 2744, 3052, 3262, 3430, 3488, 3728, 3815, 3920, 4360, 4660, 5341, 5488, 6104, 6524, 6860, 7456, 7630, 7840, 8155, 8720, 9320, 10682, 10976, 11417, 12208, 13048, 13720, 15260, 16310, 17440, 18640, 21364, 22834, 24416, 25397, 26096, 26705, 27440, 30520, 32620, 37280, 37387, 42728, 45668, 50794, 52192, 53410, 54880, 57085, 61040, 65240, 74774, 79919, 85456, 91336, 101588, 106820, 114170, 122080, 126985, 130480, 149548, 159838, 170912, 177779, 182672, 186935, 203176, 213640, 228340, 253970, 260960, 299096, 319676, 355558, 365344, 373870, 399595, 406352, 427280, 456680, 507940, 598192, 639352, 711116, 747740, 799190, 812704, 854560, 888895, 913360, 1015880, 1196384, 1244453, 1278704, 1422232, 1495480, 1598380, 1777790, 1826720, 2031760, 2488906, 2557408, 2844464, 2990960, 3196760, 3555580, 4063520, 4977812, 5688928, 5981920, 6222265, 6393520, 7111160, 8711171, 9955624, 12444530, 12787040, 14222320, 17422342, 19911248, 24889060, 28444640, 34844684, 39822496, 43555855, 49778120, 69689368, 87111710, 99556240, 139378736, 174223420, 199112480, 278757472, 348446840, 696893680, 1393787360]

約数ペア:

[(1, 1393787360), (2, 696893680), (4, 348446840), (5, 278757472), (7, 199112480), (8, 174223420), (10, 139378736), (14, 99556240), (16, 87111710), (20, 69689368), (28, 49778120), (32, 43555855), (35, 39822496), (40, 34844684), (49, 28444640), (56, 24889060), (70, 19911248), (80, 17422342), (98, 14222320), (109, 12787040), (112, 12444530), (140, 9955624), (160, 8711171), (196, 7111160), (218, 6393520), (224, 6222265), (233, 5981920), (245, 5688928), (280, 4977812), (343, 4063520), (392, 3555580), (436, 3196760), (466, 2990960), (490, 2844464), (545, 2557408), (560, 2488906), (686, 2031760), (763, 1826720), (784, 1777790), (872, 1598380), (932, 1495480), (980, 1422232), (1090, 1278704), (1120, 1244453), (1165, 1196384), (1372, 1015880), (1526, 913360), (1568, 888895), (1631, 854560), (1715, 812704), (1744, 799190), (1864, 747740), (1960, 711116), (2180, 639352), (2330, 598192), (2744, 507940), (3052, 456680), (3262, 427280), (3430, 406352), (3488, 399595), (3728, 373870), (3815, 365344), (3920, 355558), (4360, 319676), (4660, 299096), (5341, 260960), (5488, 253970), (6104, 228340), (6524, 213640), (6860, 203176), (7456, 186935), (7630, 182672), (7840, 177779), (8155, 170912), (8720, 159838), (9320, 149548), (10682, 130480), (10976, 126985), (11417, 122080), (12208, 114170), (13048, 106820), (13720, 101588), (15260, 91336), (16310, 85456), (17440, 79919), (18640, 74774), (21364, 65240), (22834, 61040), (24416, 57085), (25397, 54880), (26096, 53410), (26705, 52192), (27440, 50794), (30520, 45668), (32620, 42728), (37280, 37387)]