281037960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{487}}^1$

素因数の和:740

約数の個数: 192

約数和(自身を含む): 1050566400

約数和(自身を除く): 769528440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 229, 252, 280, 315, 360, 420, 458, 487, 504, 630, 687, 840, 916, 974, 1145, 1260, 1374, 1461, 1603, 1832, 1948, 2061, 2290, 2435, 2520, 2748, 2922, 3206, 3409, 3435, 3896, 4122, 4383, 4580, 4809, 4870, 5496, 5844, 6412, 6818, 6870, 7305, 8015, 8244, 8766, 9160, 9618, 9740, 10227, 10305, 11688, 12824, 13636, 13740, 14427, 14610, 16030, 16488, 17045, 17532, 19236, 19480, 20454, 20610, 21915, 24045, 27272, 27480, 28854, 29220, 30681, 32060, 34090, 35064, 38472, 40908, 41220, 43830, 48090, 51135, 57708, 58440, 61362, 64120, 68180, 72135, 81816, 82440, 87660, 96180, 102270, 111523, 115416, 122724, 136360, 144270, 153405, 175320, 192360, 204540, 223046, 245448, 288540, 306810, 334569, 409080, 446092, 557615, 577080, 613620, 669138, 780661, 892184, 1003707, 1115230, 1227240, 1338276, 1561322, 1672845, 2007414, 2230460, 2341983, 2676552, 3122644, 3345690, 3903305, 4014828, 4460920, 4683966, 5018535, 6245288, 6691380, 7025949, 7806610, 8029656, 9367932, 10037070, 11709915, 13382760, 14051898, 15613220, 18735864, 20074140, 23419830, 28103796, 31226440, 35129745, 40148280, 46839660, 56207592, 70259490, 93679320, 140518980, 281037960]

約数ペア:

[(1, 281037960), (2, 140518980), (3, 93679320), (4, 70259490), (5, 56207592), (6, 46839660), (7, 40148280), (8, 35129745), (9, 31226440), (10, 28103796), (12, 23419830), (14, 20074140), (15, 18735864), (18, 15613220), (20, 14051898), (21, 13382760), (24, 11709915), (28, 10037070), (30, 9367932), (35, 8029656), (36, 7806610), (40, 7025949), (42, 6691380), (45, 6245288), (56, 5018535), (60, 4683966), (63, 4460920), (70, 4014828), (72, 3903305), (84, 3345690), (90, 3122644), (105, 2676552), (120, 2341983), (126, 2230460), (140, 2007414), (168, 1672845), (180, 1561322), (210, 1338276), (229, 1227240), (252, 1115230), (280, 1003707), (315, 892184), (360, 780661), (420, 669138), (458, 613620), (487, 577080), (504, 557615), (630, 446092), (687, 409080), (840, 334569), (916, 306810), (974, 288540), (1145, 245448), (1260, 223046), (1374, 204540), (1461, 192360), (1603, 175320), (1832, 153405), (1948, 144270), (2061, 136360), (2290, 122724), (2435, 115416), (2520, 111523), (2748, 102270), (2922, 96180), (3206, 87660), (3409, 82440), (3435, 81816), (3896, 72135), (4122, 68180), (4383, 64120), (4580, 61362), (4809, 58440), (4870, 57708), (5496, 51135), (5844, 48090), (6412, 43830), (6818, 41220), (6870, 40908), (7305, 38472), (8015, 35064), (8244, 34090), (8766, 32060), (9160, 30681), (9618, 29220), (9740, 28854), (10227, 27480), (10305, 27272), (11688, 24045), (12824, 21915), (13636, 20610), (13740, 20454), (14427, 19480), (14610, 19236), (16030, 17532), (16488, 17045)]