215455240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5381}}^1$

素因数の和:5423

約数の個数: 128

約数和(自身を含む): 651006720

約数和(自身を除く): 435551480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2860, 3080, 3640, 4004, 5005, 5381, 5720, 8008, 10010, 10762, 20020, 21524, 26905, 37667, 40040, 43048, 53810, 59191, 69953, 75334, 107620, 118382, 139906, 150668, 188335, 215240, 236764, 279812, 295955, 301336, 349765, 376670, 414337, 473528, 489671, 559624, 591910, 699530, 753340, 769483, 828674, 979342, 1183820, 1399060, 1506680, 1538966, 1657348, 1958684, 2071685, 2367640, 2448355, 2798120, 3077932, 3314696, 3847415, 3917368, 4143370, 4896710, 5386381, 6155864, 7694830, 8286740, 9793420, 10772762, 15389660, 16573480, 19586840, 21545524, 26931905, 30779320, 43091048, 53863810, 107727620, 215455240]

約数ペア:

[(1, 215455240), (2, 107727620), (4, 53863810), (5, 43091048), (7, 30779320), (8, 26931905), (10, 21545524), (11, 19586840), (13, 16573480), (14, 15389660), (20, 10772762), (22, 9793420), (26, 8286740), (28, 7694830), (35, 6155864), (40, 5386381), (44, 4896710), (52, 4143370), (55, 3917368), (56, 3847415), (65, 3314696), (70, 3077932), (77, 2798120), (88, 2448355), (91, 2367640), (104, 2071685), (110, 1958684), (130, 1657348), (140, 1538966), (143, 1506680), (154, 1399060), (182, 1183820), (220, 979342), (260, 828674), (280, 769483), (286, 753340), (308, 699530), (364, 591910), (385, 559624), (440, 489671), (455, 473528), (520, 414337), (572, 376670), (616, 349765), (715, 301336), (728, 295955), (770, 279812), (910, 236764), (1001, 215240), (1144, 188335), (1430, 150668), (1540, 139906), (1820, 118382), (2002, 107620), (2860, 75334), (3080, 69953), (3640, 59191), (4004, 53810), (5005, 43048), (5381, 40040), (5720, 37667), (8008, 26905), (10010, 21524), (10762, 20020)]