131811120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{26153}}^1$

素因数の和:26179

約数の個数: 120

約数和(自身を含む): 505922976

約数和(自身を除く): 374111856

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, 5040, 26153, 52306, 78459, 104612, 130765, 156918, 183071, 209224, 235377, 261530, 313836, 366142, 392295, 418448, 470754, 523060, 549213, 627672, 732284, 784590, 915355, 941508, 1046120, 1098426, 1176885, 1255344, 1464568, 1569180, 1647639, 1830710, 1883016, 2092240, 2196852, 2353770, 2746065, 2929136, 3138360, 3295278, 3661420, 3766032, 4393704, 4707540, 5492130, 6276720, 6590556, 7322840, 8238195, 8787408, 9415080, 10984260, 13181112, 14645680, 16476390, 18830160, 21968520, 26362224, 32952780, 43937040, 65905560, 131811120]

約数ペア:

[(1, 131811120), (2, 65905560), (3, 43937040), (4, 32952780), (5, 26362224), (6, 21968520), (7, 18830160), (8, 16476390), (9, 14645680), (10, 13181112), (12, 10984260), (14, 9415080), (15, 8787408), (16, 8238195), (18, 7322840), (20, 6590556), (21, 6276720), (24, 5492130), (28, 4707540), (30, 4393704), (35, 3766032), (36, 3661420), (40, 3295278), (42, 3138360), (45, 2929136), (48, 2746065), (56, 2353770), (60, 2196852), (63, 2092240), (70, 1883016), (72, 1830710), (80, 1647639), (84, 1569180), (90, 1464568), (105, 1255344), (112, 1176885), (120, 1098426), (126, 1046120), (140, 941508), (144, 915355), (168, 784590), (180, 732284), (210, 627672), (240, 549213), (252, 523060), (280, 470754), (315, 418448), (336, 392295), (360, 366142), (420, 313836), (504, 261530), (560, 235377), (630, 209224), (720, 183071), (840, 156918), (1008, 130765), (1260, 104612), (1680, 78459), (2520, 52306), (5040, 26153)]