28678980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2287}}^1$

素因数の和:2329

約数の個数: 96

約数和(自身を含む): 92252160

約数和(自身を除く): 63573180

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 132, 165, 190, 209, 220, 228, 285, 330, 380, 418, 570, 627, 660, 836, 1045, 1140, 1254, 2090, 2287, 2508, 3135, 4180, 4574, 6270, 6861, 9148, 11435, 12540, 13722, 22870, 25157, 27444, 34305, 43453, 45740, 50314, 68610, 75471, 86906, 100628, 125785, 130359, 137220, 150942, 173812, 217265, 251570, 260718, 301884, 377355, 434530, 477983, 503140, 521436, 651795, 754710, 869060, 955966, 1303590, 1433949, 1509420, 1911932, 2389915, 2607180, 2867898, 4779830, 5735796, 7169745, 9559660, 14339490, 28678980]

約数ペア:

[(1, 28678980), (2, 14339490), (3, 9559660), (4, 7169745), (5, 5735796), (6, 4779830), (10, 2867898), (11, 2607180), (12, 2389915), (15, 1911932), (19, 1509420), (20, 1433949), (22, 1303590), (30, 955966), (33, 869060), (38, 754710), (44, 651795), (55, 521436), (57, 503140), (60, 477983), (66, 434530), (76, 377355), (95, 301884), (110, 260718), (114, 251570), (132, 217265), (165, 173812), (190, 150942), (209, 137220), (220, 130359), (228, 125785), (285, 100628), (330, 86906), (380, 75471), (418, 68610), (570, 50314), (627, 45740), (660, 43453), (836, 34305), (1045, 27444), (1140, 25157), (1254, 22870), (2090, 13722), (2287, 12540), (2508, 11435), (3135, 9148), (4180, 6861), (4574, 6270)]