56453940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1022

約数の個数: 144

約数和(自身を含む): 191056320

約数和(自身を除く): 134602380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 971, 1020, 1140, 1292, 1530, 1615, 1710, 1938, 1942, 2907, 2913, 3060, 3230, 3420, 3876, 3884, 4845, 4855, 5814, 5826, 6460, 8739, 9690, 9710, 11628, 11652, 14535, 14565, 16507, 17478, 18449, 19380, 19420, 29070, 29130, 33014, 34956, 36898, 43695, 49521, 55347, 58140, 58260, 66028, 73796, 82535, 87390, 92245, 99042, 110694, 148563, 165070, 166041, 174780, 184490, 198084, 221388, 247605, 276735, 297126, 313633, 330140, 332082, 368980, 495210, 553470, 594252, 627266, 664164, 742815, 830205, 940899, 990420, 1106940, 1254532, 1485630, 1568165, 1660410, 1881798, 2822697, 2971260, 3136330, 3320820, 3763596, 4704495, 5645394, 6272660, 9408990, 11290788, 14113485, 18817980, 28226970, 56453940]

約数ペア:

[(1, 56453940), (2, 28226970), (3, 18817980), (4, 14113485), (5, 11290788), (6, 9408990), (9, 6272660), (10, 5645394), (12, 4704495), (15, 3763596), (17, 3320820), (18, 3136330), (19, 2971260), (20, 2822697), (30, 1881798), (34, 1660410), (36, 1568165), (38, 1485630), (45, 1254532), (51, 1106940), (57, 990420), (60, 940899), (68, 830205), (76, 742815), (85, 664164), (90, 627266), (95, 594252), (102, 553470), (114, 495210), (153, 368980), (170, 332082), (171, 330140), (180, 313633), (190, 297126), (204, 276735), (228, 247605), (255, 221388), (285, 198084), (306, 184490), (323, 174780), (340, 166041), (342, 165070), (380, 148563), (510, 110694), (570, 99042), (612, 92245), (646, 87390), (684, 82535), (765, 73796), (855, 66028), (969, 58260), (971, 58140), (1020, 55347), (1140, 49521), (1292, 43695), (1530, 36898), (1615, 34956), (1710, 33014), (1938, 29130), (1942, 29070), (2907, 19420), (2913, 19380), (3060, 18449), (3230, 17478), (3420, 16507), (3876, 14565), (3884, 14535), (4845, 11652), (4855, 11628), (5814, 9710), (5826, 9690), (6460, 8739)]