1277431920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{5113}}^1$

素因数の和:5479

約数の個数: 120

約数和(自身を含む): 4303246896

約数和(自身を除く): 3025814976

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 347, 360, 694, 720, 1041, 1388, 1735, 2082, 2776, 3123, 3470, 4164, 5113, 5205, 5552, 6246, 6940, 8328, 10226, 10410, 12492, 13880, 15339, 15615, 16656, 20452, 20820, 24984, 25565, 27760, 30678, 31230, 40904, 41640, 46017, 49968, 51130, 61356, 62460, 76695, 81808, 83280, 92034, 102260, 122712, 124920, 153390, 184068, 204520, 230085, 245424, 249840, 306780, 368136, 409040, 460170, 613560, 736272, 920340, 1227120, 1774211, 1840680, 3548422, 3681360, 5322633, 7096844, 8871055, 10645266, 14193688, 15967899, 17742110, 21290532, 26613165, 28387376, 31935798, 35484220, 42581064, 53226330, 63871596, 70968440, 79839495, 85162128, 106452660, 127743192, 141936880, 159678990, 212905320, 255486384, 319357980, 425810640, 638715960, 1277431920]

約数ペア:

[(1, 1277431920), (2, 638715960), (3, 425810640), (4, 319357980), (5, 255486384), (6, 212905320), (8, 159678990), (9, 141936880), (10, 127743192), (12, 106452660), (15, 85162128), (16, 79839495), (18, 70968440), (20, 63871596), (24, 53226330), (30, 42581064), (36, 35484220), (40, 31935798), (45, 28387376), (48, 26613165), (60, 21290532), (72, 17742110), (80, 15967899), (90, 14193688), (120, 10645266), (144, 8871055), (180, 7096844), (240, 5322633), (347, 3681360), (360, 3548422), (694, 1840680), (720, 1774211), (1041, 1227120), (1388, 920340), (1735, 736272), (2082, 613560), (2776, 460170), (3123, 409040), (3470, 368136), (4164, 306780), (5113, 249840), (5205, 245424), (5552, 230085), (6246, 204520), (6940, 184068), (8328, 153390), (10226, 124920), (10410, 122712), (12492, 102260), (13880, 92034), (15339, 83280), (15615, 81808), (16656, 76695), (20452, 62460), (20820, 61356), (24984, 51130), (25565, 49968), (27760, 46017), (30678, 41640), (31230, 40904)]