40384980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:375

約数の個数: 120

約数和(自身を含む): 128493288

約数和(自身を除く): 88108308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 97, 108, 135, 162, 180, 194, 257, 270, 291, 324, 388, 405, 485, 514, 540, 582, 771, 810, 873, 970, 1028, 1164, 1285, 1455, 1542, 1620, 1746, 1940, 2313, 2570, 2619, 2910, 3084, 3492, 3855, 4365, 4626, 5140, 5238, 5820, 6939, 7710, 7857, 8730, 9252, 10476, 11565, 13095, 13878, 15420, 15714, 17460, 20817, 23130, 24929, 26190, 27756, 31428, 34695, 39285, 41634, 46260, 49858, 52380, 69390, 74787, 78570, 83268, 99716, 104085, 124645, 138780, 149574, 157140, 208170, 224361, 249290, 299148, 373935, 416340, 448722, 498580, 673083, 747870, 897444, 1121805, 1346166, 1495740, 2019249, 2243610, 2692332, 3365415, 4038498, 4487220, 6730830, 8076996, 10096245, 13461660, 20192490, 40384980]

約数ペア:

[(1, 40384980), (2, 20192490), (3, 13461660), (4, 10096245), (5, 8076996), (6, 6730830), (9, 4487220), (10, 4038498), (12, 3365415), (15, 2692332), (18, 2243610), (20, 2019249), (27, 1495740), (30, 1346166), (36, 1121805), (45, 897444), (54, 747870), (60, 673083), (81, 498580), (90, 448722), (97, 416340), (108, 373935), (135, 299148), (162, 249290), (180, 224361), (194, 208170), (257, 157140), (270, 149574), (291, 138780), (324, 124645), (388, 104085), (405, 99716), (485, 83268), (514, 78570), (540, 74787), (582, 69390), (771, 52380), (810, 49858), (873, 46260), (970, 41634), (1028, 39285), (1164, 34695), (1285, 31428), (1455, 27756), (1542, 26190), (1620, 24929), (1746, 23130), (1940, 20817), (2313, 17460), (2570, 15714), (2619, 15420), (2910, 13878), (3084, 13095), (3492, 11565), (3855, 10476), (4365, 9252), (4626, 8730), (5140, 7857), (5238, 7710), (5820, 6939)]