1891890560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{24841}}^1$

素因数の和:24884

約数の個数: 128

約数和(自身を含む): 5473189440

約数和(自身を除く): 3581298880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1360, 1904, 2176, 2240, 2380, 2720, 3808, 4480, 4760, 5440, 7616, 9520, 10880, 15232, 19040, 24841, 38080, 49682, 76160, 99364, 124205, 173887, 198728, 248410, 347774, 397456, 422297, 496820, 695548, 794912, 844594, 869435, 993640, 1391096, 1589824, 1689188, 1738870, 1987280, 2111485, 2782192, 2956079, 3179648, 3378376, 3477740, 3974560, 4222970, 5564384, 5912158, 6756752, 6955480, 7949120, 8445940, 11128768, 11824316, 13513504, 13910960, 14780395, 15898240, 16891880, 22257536, 23648632, 27027008, 27821920, 29560790, 33783760, 47297264, 54054016, 55643840, 59121580, 67567520, 94594528, 111287680, 118243160, 135135040, 189189056, 236486320, 270270080, 378378112, 472972640, 945945280, 1891890560]

約数ペア:

[(1, 1891890560), (2, 945945280), (4, 472972640), (5, 378378112), (7, 270270080), (8, 236486320), (10, 189189056), (14, 135135040), (16, 118243160), (17, 111287680), (20, 94594528), (28, 67567520), (32, 59121580), (34, 55643840), (35, 54054016), (40, 47297264), (56, 33783760), (64, 29560790), (68, 27821920), (70, 27027008), (80, 23648632), (85, 22257536), (112, 16891880), (119, 15898240), (128, 14780395), (136, 13910960), (140, 13513504), (160, 11824316), (170, 11128768), (224, 8445940), (238, 7949120), (272, 6955480), (280, 6756752), (320, 5912158), (340, 5564384), (448, 4222970), (476, 3974560), (544, 3477740), (560, 3378376), (595, 3179648), (640, 2956079), (680, 2782192), (896, 2111485), (952, 1987280), (1088, 1738870), (1120, 1689188), (1190, 1589824), (1360, 1391096), (1904, 993640), (2176, 869435), (2240, 844594), (2380, 794912), (2720, 695548), (3808, 496820), (4480, 422297), (4760, 397456), (5440, 347774), (7616, 248410), (9520, 198728), (10880, 173887), (15232, 124205), (19040, 99364), (24841, 76160), (38080, 49682)]