240257640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1249}}^1$

素因数の和:1499

約数の個数: 128

約数和(自身を含む): 828000000

約数和(自身を除く): 587742360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 229, 280, 420, 458, 687, 840, 916, 1145, 1249, 1374, 1603, 1832, 2290, 2498, 2748, 3206, 3435, 3747, 4580, 4809, 4996, 5496, 6245, 6412, 6870, 7494, 8015, 8743, 9160, 9618, 9992, 12490, 12824, 13740, 14988, 16030, 17486, 18735, 19236, 24045, 24980, 26229, 27480, 29976, 32060, 34972, 37470, 38472, 43715, 48090, 49960, 52458, 64120, 69944, 74940, 87430, 96180, 104916, 131145, 149880, 174860, 192360, 209832, 262290, 286021, 349720, 524580, 572042, 858063, 1049160, 1144084, 1430105, 1716126, 2002147, 2288168, 2860210, 3432252, 4004294, 4290315, 5720420, 6006441, 6864504, 8008588, 8580630, 10010735, 11440840, 12012882, 16017176, 17161260, 20021470, 24025764, 30032205, 34322520, 40042940, 48051528, 60064410, 80085880, 120128820, 240257640]

約数ペア:

[(1, 240257640), (2, 120128820), (3, 80085880), (4, 60064410), (5, 48051528), (6, 40042940), (7, 34322520), (8, 30032205), (10, 24025764), (12, 20021470), (14, 17161260), (15, 16017176), (20, 12012882), (21, 11440840), (24, 10010735), (28, 8580630), (30, 8008588), (35, 6864504), (40, 6006441), (42, 5720420), (56, 4290315), (60, 4004294), (70, 3432252), (84, 2860210), (105, 2288168), (120, 2002147), (140, 1716126), (168, 1430105), (210, 1144084), (229, 1049160), (280, 858063), (420, 572042), (458, 524580), (687, 349720), (840, 286021), (916, 262290), (1145, 209832), (1249, 192360), (1374, 174860), (1603, 149880), (1832, 131145), (2290, 104916), (2498, 96180), (2748, 87430), (3206, 74940), (3435, 69944), (3747, 64120), (4580, 52458), (4809, 49960), (4996, 48090), (5496, 43715), (6245, 38472), (6412, 37470), (6870, 34972), (7494, 32060), (8015, 29976), (8743, 27480), (9160, 26229), (9618, 24980), (9992, 24045), (12490, 19236), (12824, 18735), (13740, 17486), (14988, 16030)]