127779080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 342921600

約数和(自身を除く): 215142520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 89, 104, 110, 130, 143, 178, 220, 251, 260, 286, 356, 440, 445, 502, 520, 572, 712, 715, 890, 979, 1004, 1144, 1157, 1255, 1430, 1780, 1958, 2008, 2314, 2510, 2761, 2860, 3263, 3560, 3916, 4628, 4895, 5020, 5522, 5720, 5785, 6526, 7832, 9256, 9790, 10040, 11044, 11570, 12727, 13052, 13805, 16315, 19580, 22088, 22339, 23140, 25454, 26104, 27610, 32630, 35893, 39160, 44678, 46280, 50908, 55220, 63635, 65260, 71786, 89356, 101816, 110440, 111695, 127270, 130520, 143572, 178712, 179465, 223390, 245729, 254540, 287144, 290407, 358930, 446780, 491458, 509080, 580814, 717860, 893560, 982916, 1161628, 1228645, 1435720, 1452035, 1965832, 2323256, 2457290, 2904070, 3194477, 4914580, 5808140, 6388954, 9829160, 11616280, 12777908, 15972385, 25555816, 31944770, 63889540, 127779080]

約数ペア:

[(1, 127779080), (2, 63889540), (4, 31944770), (5, 25555816), (8, 15972385), (10, 12777908), (11, 11616280), (13, 9829160), (20, 6388954), (22, 5808140), (26, 4914580), (40, 3194477), (44, 2904070), (52, 2457290), (55, 2323256), (65, 1965832), (88, 1452035), (89, 1435720), (104, 1228645), (110, 1161628), (130, 982916), (143, 893560), (178, 717860), (220, 580814), (251, 509080), (260, 491458), (286, 446780), (356, 358930), (440, 290407), (445, 287144), (502, 254540), (520, 245729), (572, 223390), (712, 179465), (715, 178712), (890, 143572), (979, 130520), (1004, 127270), (1144, 111695), (1157, 110440), (1255, 101816), (1430, 89356), (1780, 71786), (1958, 65260), (2008, 63635), (2314, 55220), (2510, 50908), (2761, 46280), (2860, 44678), (3263, 39160), (3560, 35893), (3916, 32630), (4628, 27610), (4895, 26104), (5020, 25454), (5522, 23140), (5720, 22339), (5785, 22088), (6526, 19580), (7832, 16315), (9256, 13805), (9790, 13052), (10040, 12727), (11044, 11570)]