71812980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:575

約数の個数: 120

約数和(自身を含む): 228100488

約数和(自身を除く): 156287508

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, 270, 291, 324, 388, 405, 457, 485, 540, 582, 810, 873, 914, 970, 1164, 1371, 1455, 1620, 1746, 1828, 1940, 2285, 2619, 2742, 2910, 3492, 4113, 4365, 4570, 5238, 5484, 5820, 6855, 7857, 8226, 8730, 9140, 10476, 12339, 13095, 13710, 15714, 16452, 17460, 20565, 24678, 26190, 27420, 31428, 37017, 39285, 41130, 44329, 49356, 52380, 61695, 74034, 78570, 82260, 88658, 123390, 132987, 148068, 157140, 177316, 185085, 221645, 246780, 265974, 370170, 398961, 443290, 531948, 664935, 740340, 797922, 886580, 1196883, 1329870, 1595844, 1994805, 2393766, 2659740, 3590649, 3989610, 4787532, 5984415, 7181298, 7979220, 11968830, 14362596, 17953245, 23937660, 35906490, 71812980]

約数ペア:

[(1, 71812980), (2, 35906490), (3, 23937660), (4, 17953245), (5, 14362596), (6, 11968830), (9, 7979220), (10, 7181298), (12, 5984415), (15, 4787532), (18, 3989610), (20, 3590649), (27, 2659740), (30, 2393766), (36, 1994805), (45, 1595844), (54, 1329870), (60, 1196883), (81, 886580), (90, 797922), (97, 740340), (108, 664935), (135, 531948), (162, 443290), (180, 398961), (194, 370170), (270, 265974), (291, 246780), (324, 221645), (388, 185085), (405, 177316), (457, 157140), (485, 148068), (540, 132987), (582, 123390), (810, 88658), (873, 82260), (914, 78570), (970, 74034), (1164, 61695), (1371, 52380), (1455, 49356), (1620, 44329), (1746, 41130), (1828, 39285), (1940, 37017), (2285, 31428), (2619, 27420), (2742, 26190), (2910, 24678), (3492, 20565), (4113, 17460), (4365, 16452), (4570, 15714), (5238, 13710), (5484, 13095), (5820, 12339), (6855, 10476), (7857, 9140), (8226, 8730)]