257069280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3169}}^1$

素因数の和:3213

約数の個数: 144

約数和(自身を含む): 877126320

約数和(自身を除く): 620057040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 195, 208, 240, 260, 312, 338, 390, 416, 480, 507, 520, 624, 676, 780, 845, 1014, 1040, 1248, 1352, 1560, 1690, 2028, 2080, 2535, 2704, 3120, 3169, 3380, 4056, 5070, 5408, 6240, 6338, 6760, 8112, 9507, 10140, 12676, 13520, 15845, 16224, 19014, 20280, 25352, 27040, 31690, 38028, 40560, 41197, 47535, 50704, 63380, 76056, 81120, 82394, 95070, 101408, 123591, 126760, 152112, 164788, 190140, 205985, 247182, 253520, 304224, 329576, 380280, 411970, 494364, 507040, 535561, 617955, 659152, 760560, 823940, 988728, 1071122, 1235910, 1318304, 1521120, 1606683, 1647880, 1977456, 2142244, 2471820, 2677805, 3213366, 3295760, 3954912, 4284488, 4943640, 5355610, 6426732, 6591520, 8033415, 8568976, 9887280, 10711220, 12853464, 16066830, 17137952, 19774560, 21422440, 25706928, 32133660, 42844880, 51413856, 64267320, 85689760, 128534640, 257069280]

約数ペア:

[(1, 257069280), (2, 128534640), (3, 85689760), (4, 64267320), (5, 51413856), (6, 42844880), (8, 32133660), (10, 25706928), (12, 21422440), (13, 19774560), (15, 17137952), (16, 16066830), (20, 12853464), (24, 10711220), (26, 9887280), (30, 8568976), (32, 8033415), (39, 6591520), (40, 6426732), (48, 5355610), (52, 4943640), (60, 4284488), (65, 3954912), (78, 3295760), (80, 3213366), (96, 2677805), (104, 2471820), (120, 2142244), (130, 1977456), (156, 1647880), (160, 1606683), (169, 1521120), (195, 1318304), (208, 1235910), (240, 1071122), (260, 988728), (312, 823940), (338, 760560), (390, 659152), (416, 617955), (480, 535561), (507, 507040), (520, 494364), (624, 411970), (676, 380280), (780, 329576), (845, 304224), (1014, 253520), (1040, 247182), (1248, 205985), (1352, 190140), (1560, 164788), (1690, 152112), (2028, 126760), (2080, 123591), (2535, 101408), (2704, 95070), (3120, 82394), (3169, 81120), (3380, 76056), (4056, 63380), (5070, 50704), (5408, 47535), (6240, 41197), (6338, 40560), (6760, 38028), (8112, 31690), (9507, 27040), (10140, 25352), (12676, 20280), (13520, 19014), (15845, 16224)]