90721260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:920

約数の個数: 144

約数和(自身を含む): 318427200

約数和(自身を除く): 227705940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 252, 267, 315, 356, 420, 445, 534, 623, 630, 801, 809, 890, 1068, 1246, 1260, 1335, 1602, 1618, 1780, 1869, 2427, 2492, 2670, 3115, 3204, 3236, 3738, 4005, 4045, 4854, 5340, 5607, 5663, 6230, 7281, 7476, 8010, 8090, 9345, 9708, 11214, 11326, 12135, 12460, 14562, 16020, 16180, 16989, 18690, 22428, 22652, 24270, 28035, 28315, 29124, 33978, 36405, 37380, 48540, 50967, 56070, 56630, 67956, 72001, 72810, 84945, 101934, 112140, 113260, 144002, 145620, 169890, 203868, 216003, 254835, 288004, 339780, 360005, 432006, 504007, 509670, 648009, 720010, 864012, 1008014, 1019340, 1080015, 1296018, 1440020, 1512021, 2016028, 2160030, 2520035, 2592036, 3024042, 3240045, 4320060, 4536063, 5040070, 6048084, 6480090, 7560105, 9072126, 10080140, 12960180, 15120210, 18144252, 22680315, 30240420, 45360630, 90721260]

約数ペア:

[(1, 90721260), (2, 45360630), (3, 30240420), (4, 22680315), (5, 18144252), (6, 15120210), (7, 12960180), (9, 10080140), (10, 9072126), (12, 7560105), (14, 6480090), (15, 6048084), (18, 5040070), (20, 4536063), (21, 4320060), (28, 3240045), (30, 3024042), (35, 2592036), (36, 2520035), (42, 2160030), (45, 2016028), (60, 1512021), (63, 1440020), (70, 1296018), (84, 1080015), (89, 1019340), (90, 1008014), (105, 864012), (126, 720010), (140, 648009), (178, 509670), (180, 504007), (210, 432006), (252, 360005), (267, 339780), (315, 288004), (356, 254835), (420, 216003), (445, 203868), (534, 169890), (623, 145620), (630, 144002), (801, 113260), (809, 112140), (890, 101934), (1068, 84945), (1246, 72810), (1260, 72001), (1335, 67956), (1602, 56630), (1618, 56070), (1780, 50967), (1869, 48540), (2427, 37380), (2492, 36405), (2670, 33978), (3115, 29124), (3204, 28315), (3236, 28035), (3738, 24270), (4005, 22652), (4045, 22428), (4854, 18690), (5340, 16989), (5607, 16180), (5663, 16020), (6230, 14562), (7281, 12460), (7476, 12135), (8010, 11326), (8090, 11214), (9345, 9708)]