42155680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:331

約数の個数: 144

約数和(自身を含む): 122381280

約数和(自身を除く): 80225600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 283, 304, 380, 392, 490, 532, 560, 566, 608, 665, 760, 784, 931, 980, 1064, 1120, 1132, 1330, 1415, 1520, 1568, 1862, 1960, 1981, 2128, 2264, 2660, 2830, 3040, 3724, 3920, 3962, 4256, 4528, 4655, 5320, 5377, 5660, 7448, 7840, 7924, 9056, 9310, 9905, 10640, 10754, 11320, 13867, 14896, 15848, 18620, 19810, 21280, 21508, 22640, 26885, 27734, 29792, 31696, 37240, 37639, 39620, 43016, 45280, 53770, 55468, 63392, 69335, 74480, 75278, 79240, 86032, 107540, 110936, 138670, 148960, 150556, 158480, 172064, 188195, 215080, 221872, 263473, 277340, 301112, 316960, 376390, 430160, 443744, 526946, 554680, 602224, 752780, 860320, 1053892, 1109360, 1204448, 1317365, 1505560, 2107784, 2218720, 2634730, 3011120, 4215568, 5269460, 6022240, 8431136, 10538920, 21077840, 42155680]

約数ペア:

[(1, 42155680), (2, 21077840), (4, 10538920), (5, 8431136), (7, 6022240), (8, 5269460), (10, 4215568), (14, 3011120), (16, 2634730), (19, 2218720), (20, 2107784), (28, 1505560), (32, 1317365), (35, 1204448), (38, 1109360), (40, 1053892), (49, 860320), (56, 752780), (70, 602224), (76, 554680), (80, 526946), (95, 443744), (98, 430160), (112, 376390), (133, 316960), (140, 301112), (152, 277340), (160, 263473), (190, 221872), (196, 215080), (224, 188195), (245, 172064), (266, 158480), (280, 150556), (283, 148960), (304, 138670), (380, 110936), (392, 107540), (490, 86032), (532, 79240), (560, 75278), (566, 74480), (608, 69335), (665, 63392), (760, 55468), (784, 53770), (931, 45280), (980, 43016), (1064, 39620), (1120, 37639), (1132, 37240), (1330, 31696), (1415, 29792), (1520, 27734), (1568, 26885), (1862, 22640), (1960, 21508), (1981, 21280), (2128, 19810), (2264, 18620), (2660, 15848), (2830, 14896), (3040, 13867), (3724, 11320), (3920, 10754), (3962, 10640), (4256, 9905), (4528, 9310), (4655, 9056), (5320, 7924), (5377, 7840), (5660, 7448)]