28315320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1129}}^1$

素因数の和:1173

約数の個数: 128

約数和(自身を含む): 97632000

約数和(自身を除く): 69316680

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, 1129, 1140, 1254, 1320, 1672, 2090, 2258, 2280, 2508, 3135, 3387, 4180, 4516, 5016, 5645, 6270, 6774, 8360, 9032, 11290, 12419, 12540, 13548, 16935, 21451, 22580, 24838, 25080, 27096, 33870, 37257, 42902, 45160, 49676, 62095, 64353, 67740, 74514, 85804, 99352, 107255, 124190, 128706, 135480, 149028, 171608, 186285, 214510, 235961, 248380, 257412, 298056, 321765, 372570, 429020, 471922, 496760, 514824, 643530, 707883, 745140, 858040, 943844, 1179805, 1287060, 1415766, 1490280, 1887688, 2359610, 2574120, 2831532, 3539415, 4719220, 5663064, 7078830, 9438440, 14157660, 28315320]

約数ペア:

[(1, 28315320), (2, 14157660), (3, 9438440), (4, 7078830), (5, 5663064), (6, 4719220), (8, 3539415), (10, 2831532), (11, 2574120), (12, 2359610), (15, 1887688), (19, 1490280), (20, 1415766), (22, 1287060), (24, 1179805), (30, 943844), (33, 858040), (38, 745140), (40, 707883), (44, 643530), (55, 514824), (57, 496760), (60, 471922), (66, 429020), (76, 372570), (88, 321765), (95, 298056), (110, 257412), (114, 248380), (120, 235961), (132, 214510), (152, 186285), (165, 171608), (190, 149028), (209, 135480), (220, 128706), (228, 124190), (264, 107255), (285, 99352), (330, 85804), (380, 74514), (418, 67740), (440, 64353), (456, 62095), (570, 49676), (627, 45160), (660, 42902), (760, 37257), (836, 33870), (1045, 27096), (1129, 25080), (1140, 24838), (1254, 22580), (1320, 21451), (1672, 16935), (2090, 13548), (2258, 12540), (2280, 12419), (2508, 11290), (3135, 9032), (3387, 8360), (4180, 6774), (4516, 6270), (5016, 5645)]