72405960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2887}}^1$

素因数の和:2931

約数の個数: 128

約数和(自身を含む): 249523200

約数和(自身を除く): 177117240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 152, 165, 190, 209, 220, 228, 264, 285, 330, 380, 418, 440, 456, 570, 627, 660, 760, 836, 1045, 1140, 1254, 1320, 1672, 2090, 2280, 2508, 2887, 3135, 4180, 5016, 5774, 6270, 8360, 8661, 11548, 12540, 14435, 17322, 23096, 25080, 28870, 31757, 34644, 43305, 54853, 57740, 63514, 69288, 86610, 95271, 109706, 115480, 127028, 158785, 164559, 173220, 190542, 219412, 254056, 274265, 317570, 329118, 346440, 381084, 438824, 476355, 548530, 603383, 635140, 658236, 762168, 822795, 952710, 1097060, 1206766, 1270280, 1316472, 1645590, 1810149, 1905420, 2194120, 2413532, 3016915, 3291180, 3620298, 3810840, 4827064, 6033830, 6582360, 7240596, 9050745, 12067660, 14481192, 18101490, 24135320, 36202980, 72405960]

約数ペア:

[(1, 72405960), (2, 36202980), (3, 24135320), (4, 18101490), (5, 14481192), (6, 12067660), (8, 9050745), (10, 7240596), (11, 6582360), (12, 6033830), (15, 4827064), (19, 3810840), (20, 3620298), (22, 3291180), (24, 3016915), (30, 2413532), (33, 2194120), (38, 1905420), (40, 1810149), (44, 1645590), (55, 1316472), (57, 1270280), (60, 1206766), (66, 1097060), (76, 952710), (88, 822795), (95, 762168), (110, 658236), (114, 635140), (120, 603383), (132, 548530), (152, 476355), (165, 438824), (190, 381084), (209, 346440), (220, 329118), (228, 317570), (264, 274265), (285, 254056), (330, 219412), (380, 190542), (418, 173220), (440, 164559), (456, 158785), (570, 127028), (627, 115480), (660, 109706), (760, 95271), (836, 86610), (1045, 69288), (1140, 63514), (1254, 57740), (1320, 54853), (1672, 43305), (2090, 34644), (2280, 31757), (2508, 28870), (2887, 25080), (3135, 23096), (4180, 17322), (5016, 14435), (5774, 12540), (6270, 11548), (8360, 8661)]