28293660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8273}}^1$

素因数の和:8307

約数の個数: 72

約数和(自身を含む): 90352080

約数和(自身を除く): 62058420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 8273, 16546, 24819, 33092, 41365, 49638, 74457, 82730, 99276, 124095, 148914, 157187, 165460, 248190, 297828, 314374, 372285, 471561, 496380, 628748, 744570, 785935, 943122, 1414683, 1489140, 1571870, 1886244, 2357805, 2829366, 3143740, 4715610, 5658732, 7073415, 9431220, 14146830, 28293660]

約数ペア:

[(1, 28293660), (2, 14146830), (3, 9431220), (4, 7073415), (5, 5658732), (6, 4715610), (9, 3143740), (10, 2829366), (12, 2357805), (15, 1886244), (18, 1571870), (19, 1489140), (20, 1414683), (30, 943122), (36, 785935), (38, 744570), (45, 628748), (57, 496380), (60, 471561), (76, 372285), (90, 314374), (95, 297828), (114, 248190), (171, 165460), (180, 157187), (190, 148914), (228, 124095), (285, 99276), (342, 82730), (380, 74457), (570, 49638), (684, 41365), (855, 33092), (1140, 24819), (1710, 16546), (3420, 8273)]