2018012080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{587}}^1\times {\mathrm{877}}^1$

素因数の和:1491

約数の個数: 120

約数和(自身を含む): 5473430928

約数和(自身を除く): 3455418848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 587, 784, 877, 980, 1174, 1754, 1960, 2348, 2935, 3508, 3920, 4109, 4385, 4696, 5870, 6139, 7016, 8218, 8770, 9392, 11740, 12278, 14032, 16436, 17540, 20545, 23480, 24556, 28763, 30695, 32872, 35080, 41090, 42973, 46960, 49112, 57526, 61390, 65744, 70160, 82180, 85946, 98224, 115052, 122780, 143815, 164360, 171892, 214865, 230104, 245560, 287630, 328720, 343784, 429730, 460208, 491120, 514799, 575260, 687568, 859460, 1029598, 1150520, 1718920, 2059196, 2301040, 2573995, 3437840, 3603593, 4118392, 5147990, 7207186, 8236784, 10295980, 14414372, 18017965, 20591960, 25225151, 28828744, 36035930, 41183920, 50450302, 57657488, 72071860, 100900604, 126125755, 144143720, 201801208, 252251510, 288287440, 403602416, 504503020, 1009006040, 2018012080]

約数ペア:

[(1, 2018012080), (2, 1009006040), (4, 504503020), (5, 403602416), (7, 288287440), (8, 252251510), (10, 201801208), (14, 144143720), (16, 126125755), (20, 100900604), (28, 72071860), (35, 57657488), (40, 50450302), (49, 41183920), (56, 36035930), (70, 28828744), (80, 25225151), (98, 20591960), (112, 18017965), (140, 14414372), (196, 10295980), (245, 8236784), (280, 7207186), (392, 5147990), (490, 4118392), (560, 3603593), (587, 3437840), (784, 2573995), (877, 2301040), (980, 2059196), (1174, 1718920), (1754, 1150520), (1960, 1029598), (2348, 859460), (2935, 687568), (3508, 575260), (3920, 514799), (4109, 491120), (4385, 460208), (4696, 429730), (5870, 343784), (6139, 328720), (7016, 287630), (8218, 245560), (8770, 230104), (9392, 214865), (11740, 171892), (12278, 164360), (14032, 143815), (16436, 122780), (17540, 115052), (20545, 98224), (23480, 85946), (24556, 82180), (28763, 70160), (30695, 65744), (32872, 61390), (35080, 57526), (41090, 49112), (42973, 46960)]