1900781120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{883}}^1$

素因数の和:969

約数の個数: 168

約数和(自身を含む): 5351141952

約数和(自身を除く): 3450360832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 883, 961, 992, 1085, 1120, 1240, 1736, 1766, 1922, 1984, 2170, 2240, 2480, 3472, 3532, 3844, 4340, 4415, 4805, 4960, 6181, 6727, 6944, 7064, 7688, 8680, 8830, 9610, 9920, 12362, 13454, 13888, 14128, 15376, 17360, 17660, 19220, 24724, 26908, 27373, 28256, 30752, 30905, 33635, 34720, 35320, 38440, 49448, 53816, 54746, 56512, 61504, 61810, 67270, 69440, 70640, 76880, 98896, 107632, 109492, 123620, 134540, 136865, 141280, 153760, 191611, 197792, 215264, 218984, 247240, 269080, 273730, 282560, 307520, 383222, 395584, 430528, 437968, 494480, 538160, 547460, 766444, 848563, 875936, 958055, 988960, 1076320, 1094920, 1532888, 1697126, 1751872, 1916110, 1977920, 2152640, 2189840, 3065776, 3394252, 3832220, 4242815, 4379680, 5939941, 6131552, 6788504, 7664440, 8485630, 8759360, 11879882, 12263104, 13577008, 15328880, 16971260, 23759764, 27154016, 29699705, 30657760, 33942520, 47519528, 54308032, 59399410, 61315520, 67885040, 95039056, 118798820, 135770080, 190078112, 237597640, 271540160, 380156224, 475195280, 950390560, 1900781120]

約数ペア:

[(1, 1900781120), (2, 950390560), (4, 475195280), (5, 380156224), (7, 271540160), (8, 237597640), (10, 190078112), (14, 135770080), (16, 118798820), (20, 95039056), (28, 67885040), (31, 61315520), (32, 59399410), (35, 54308032), (40, 47519528), (56, 33942520), (62, 30657760), (64, 29699705), (70, 27154016), (80, 23759764), (112, 16971260), (124, 15328880), (140, 13577008), (155, 12263104), (160, 11879882), (217, 8759360), (224, 8485630), (248, 7664440), (280, 6788504), (310, 6131552), (320, 5939941), (434, 4379680), (448, 4242815), (496, 3832220), (560, 3394252), (620, 3065776), (868, 2189840), (883, 2152640), (961, 1977920), (992, 1916110), (1085, 1751872), (1120, 1697126), (1240, 1532888), (1736, 1094920), (1766, 1076320), (1922, 988960), (1984, 958055), (2170, 875936), (2240, 848563), (2480, 766444), (3472, 547460), (3532, 538160), (3844, 494480), (4340, 437968), (4415, 430528), (4805, 395584), (4960, 383222), (6181, 307520), (6727, 282560), (6944, 273730), (7064, 269080), (7688, 247240), (8680, 218984), (8830, 215264), (9610, 197792), (9920, 191611), (12362, 153760), (13454, 141280), (13888, 136865), (14128, 134540), (15376, 123620), (17360, 109492), (17660, 107632), (19220, 98896), (24724, 76880), (26908, 70640), (27373, 69440), (28256, 67270), (30752, 61810), (30905, 61504), (33635, 56512), (34720, 54746), (35320, 53816), (38440, 49448)]