12857040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{2551}}^1$

素因数の和:2577

約数の個数: 120

約数和(自身を含む): 49365888

約数和(自身を除く): 36508848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 2551, 5040, 5102, 7653, 10204, 12755, 15306, 17857, 20408, 22959, 25510, 30612, 35714, 38265, 40816, 45918, 51020, 53571, 61224, 71428, 76530, 89285, 91836, 102040, 107142, 114795, 122448, 142856, 153060, 160713, 178570, 183672, 204080, 214284, 229590, 267855, 285712, 306120, 321426, 357140, 367344, 428568, 459180, 535710, 612240, 642852, 714280, 803565, 857136, 918360, 1071420, 1285704, 1428560, 1607130, 1836720, 2142840, 2571408, 3214260, 4285680, 6428520, 12857040]

約数ペア:

[(1, 12857040), (2, 6428520), (3, 4285680), (4, 3214260), (5, 2571408), (6, 2142840), (7, 1836720), (8, 1607130), (9, 1428560), (10, 1285704), (12, 1071420), (14, 918360), (15, 857136), (16, 803565), (18, 714280), (20, 642852), (21, 612240), (24, 535710), (28, 459180), (30, 428568), (35, 367344), (36, 357140), (40, 321426), (42, 306120), (45, 285712), (48, 267855), (56, 229590), (60, 214284), (63, 204080), (70, 183672), (72, 178570), (80, 160713), (84, 153060), (90, 142856), (105, 122448), (112, 114795), (120, 107142), (126, 102040), (140, 91836), (144, 89285), (168, 76530), (180, 71428), (210, 61224), (240, 53571), (252, 51020), (280, 45918), (315, 40816), (336, 38265), (360, 35714), (420, 30612), (504, 25510), (560, 22959), (630, 20408), (720, 17857), (840, 15306), (1008, 12755), (1260, 10204), (1680, 7653), (2520, 5102), (2551, 5040)]