1457785280

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:659

約数の個数: 168

約数和(自身を含む): 4065422400

約数和(自身を除く): 2607637120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 239, 245, 280, 320, 389, 392, 448, 478, 490, 560, 778, 784, 956, 980, 1120, 1195, 1556, 1568, 1673, 1912, 1945, 1960, 2240, 2390, 2723, 3112, 3136, 3346, 3824, 3890, 3920, 4780, 5446, 6224, 6692, 7648, 7780, 7840, 8365, 9560, 10892, 11711, 12448, 13384, 13615, 15296, 15560, 15680, 16730, 19061, 19120, 21784, 23422, 24896, 26768, 27230, 31120, 33460, 38122, 38240, 43568, 46844, 53536, 54460, 58555, 62240, 66920, 76244, 76480, 87136, 92971, 93688, 95305, 107072, 108920, 117110, 124480, 133840, 152488, 174272, 185942, 187376, 190610, 217840, 234220, 267680, 304976, 371884, 374752, 381220, 435680, 464855, 468440, 535360, 609952, 650797, 743768, 749504, 762440, 871360, 929710, 936880, 1219904, 1301594, 1487536, 1524880, 1859420, 1873760, 2603188, 2975072, 3049760, 3253985, 3718840, 3747520, 4555579, 5206376, 5950144, 6099520, 6507970, 7437680, 9111158, 10412752, 13015940, 14875360, 18222316, 20825504, 22777895, 26031880, 29750720, 36444632, 41651008, 45555790, 52063760, 72889264, 91111580, 104127520, 145778528, 182223160, 208255040, 291557056, 364446320, 728892640, 1457785280]

約数ペア:

[(1, 1457785280), (2, 728892640), (4, 364446320), (5, 291557056), (7, 208255040), (8, 182223160), (10, 145778528), (14, 104127520), (16, 91111580), (20, 72889264), (28, 52063760), (32, 45555790), (35, 41651008), (40, 36444632), (49, 29750720), (56, 26031880), (64, 22777895), (70, 20825504), (80, 18222316), (98, 14875360), (112, 13015940), (140, 10412752), (160, 9111158), (196, 7437680), (224, 6507970), (239, 6099520), (245, 5950144), (280, 5206376), (320, 4555579), (389, 3747520), (392, 3718840), (448, 3253985), (478, 3049760), (490, 2975072), (560, 2603188), (778, 1873760), (784, 1859420), (956, 1524880), (980, 1487536), (1120, 1301594), (1195, 1219904), (1556, 936880), (1568, 929710), (1673, 871360), (1912, 762440), (1945, 749504), (1960, 743768), (2240, 650797), (2390, 609952), (2723, 535360), (3112, 468440), (3136, 464855), (3346, 435680), (3824, 381220), (3890, 374752), (3920, 371884), (4780, 304976), (5446, 267680), (6224, 234220), (6692, 217840), (7648, 190610), (7780, 187376), (7840, 185942), (8365, 174272), (9560, 152488), (10892, 133840), (11711, 124480), (12448, 117110), (13384, 108920), (13615, 107072), (15296, 95305), (15560, 93688), (15680, 92971), (16730, 87136), (19061, 76480), (19120, 76244), (21784, 66920), (23422, 62240), (24896, 58555), (26768, 54460), (27230, 53536), (31120, 46844), (33460, 43568), (38122, 38240)]