1240789760

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:379

約数の個数: 216

約数和(自身を含む): 3517609536

約数和(自身を除く): 2276819776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 73, 80, 98, 112, 128, 140, 146, 160, 196, 224, 245, 256, 271, 280, 292, 320, 365, 392, 448, 490, 511, 542, 560, 584, 640, 730, 784, 896, 980, 1022, 1084, 1120, 1168, 1280, 1355, 1460, 1568, 1792, 1897, 1960, 2044, 2168, 2240, 2336, 2555, 2710, 2920, 3136, 3577, 3794, 3920, 4088, 4336, 4480, 4672, 5110, 5420, 5840, 6272, 7154, 7588, 7840, 8176, 8672, 8960, 9344, 9485, 10220, 10840, 11680, 12544, 13279, 14308, 15176, 15680, 16352, 17344, 17885, 18688, 18970, 19783, 20440, 21680, 23360, 26558, 28616, 30352, 31360, 32704, 34688, 35770, 37940, 39566, 40880, 43360, 46720, 53116, 57232, 60704, 62720, 65408, 66395, 69376, 71540, 75880, 79132, 81760, 86720, 93440, 98915, 106232, 114464, 121408, 130816, 132790, 138481, 143080, 151760, 158264, 163520, 173440, 197830, 212464, 228928, 242816, 265580, 276962, 286160, 303520, 316528, 327040, 346880, 395660, 424928, 457856, 485632, 531160, 553924, 572320, 607040, 633056, 654080, 692405, 791320, 849856, 915712, 969367, 1062320, 1107848, 1144640, 1214080, 1266112, 1384810, 1582640, 1699712, 1938734, 2124640, 2215696, 2289280, 2428160, 2532224, 2769620, 3165280, 3399424, 3877468, 4249280, 4431392, 4578560, 4846835, 5064448, 5539240, 6330560, 7754936, 8498560, 8862784, 9693670, 11078480, 12661120, 15509872, 16997120, 17725568, 19387340, 22156960, 25322240, 31019744, 35451136, 38774680, 44313920, 62039488, 77549360, 88627840, 124078976, 155098720, 177255680, 248157952, 310197440, 620394880, 1240789760]

約数ペア:

[(1, 1240789760), (2, 620394880), (4, 310197440), (5, 248157952), (7, 177255680), (8, 155098720), (10, 124078976), (14, 88627840), (16, 77549360), (20, 62039488), (28, 44313920), (32, 38774680), (35, 35451136), (40, 31019744), (49, 25322240), (56, 22156960), (64, 19387340), (70, 17725568), (73, 16997120), (80, 15509872), (98, 12661120), (112, 11078480), (128, 9693670), (140, 8862784), (146, 8498560), (160, 7754936), (196, 6330560), (224, 5539240), (245, 5064448), (256, 4846835), (271, 4578560), (280, 4431392), (292, 4249280), (320, 3877468), (365, 3399424), (392, 3165280), (448, 2769620), (490, 2532224), (511, 2428160), (542, 2289280), (560, 2215696), (584, 2124640), (640, 1938734), (730, 1699712), (784, 1582640), (896, 1384810), (980, 1266112), (1022, 1214080), (1084, 1144640), (1120, 1107848), (1168, 1062320), (1280, 969367), (1355, 915712), (1460, 849856), (1568, 791320), (1792, 692405), (1897, 654080), (1960, 633056), (2044, 607040), (2168, 572320), (2240, 553924), (2336, 531160), (2555, 485632), (2710, 457856), (2920, 424928), (3136, 395660), (3577, 346880), (3794, 327040), (3920, 316528), (4088, 303520), (4336, 286160), (4480, 276962), (4672, 265580), (5110, 242816), (5420, 228928), (5840, 212464), (6272, 197830), (7154, 173440), (7588, 163520), (7840, 158264), (8176, 151760), (8672, 143080), (8960, 138481), (9344, 132790), (9485, 130816), (10220, 121408), (10840, 114464), (11680, 106232), (12544, 98915), (13279, 93440), (14308, 86720), (15176, 81760), (15680, 79132), (16352, 75880), (17344, 71540), (17885, 69376), (18688, 66395), (18970, 65408), (19783, 62720), (20440, 60704), (21680, 57232), (23360, 53116), (26558, 46720), (28616, 43360), (30352, 40880), (31360, 39566), (32704, 37940), (34688, 35770)]