31899480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{823}}^1$

素因数の和:873

約数の個数: 128

約数和(自身を含む): 106790400

約数和(自身を除く): 74890920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 823, 969, 1020, 1140, 1292, 1615, 1646, 1938, 2040, 2280, 2469, 2584, 3230, 3292, 3876, 4115, 4845, 4938, 6460, 6584, 7752, 8230, 9690, 9876, 12345, 12920, 13991, 15637, 16460, 19380, 19752, 24690, 27982, 31274, 32920, 38760, 41973, 46911, 49380, 55964, 62548, 69955, 78185, 83946, 93822, 98760, 111928, 125096, 139910, 156370, 167892, 187644, 209865, 234555, 265829, 279820, 312740, 335784, 375288, 419730, 469110, 531658, 559640, 625480, 797487, 839460, 938220, 1063316, 1329145, 1594974, 1678920, 1876440, 2126632, 2658290, 3189948, 3987435, 5316580, 6379896, 7974870, 10633160, 15949740, 31899480]

約数ペア:

[(1, 31899480), (2, 15949740), (3, 10633160), (4, 7974870), (5, 6379896), (6, 5316580), (8, 3987435), (10, 3189948), (12, 2658290), (15, 2126632), (17, 1876440), (19, 1678920), (20, 1594974), (24, 1329145), (30, 1063316), (34, 938220), (38, 839460), (40, 797487), (51, 625480), (57, 559640), (60, 531658), (68, 469110), (76, 419730), (85, 375288), (95, 335784), (102, 312740), (114, 279820), (120, 265829), (136, 234555), (152, 209865), (170, 187644), (190, 167892), (204, 156370), (228, 139910), (255, 125096), (285, 111928), (323, 98760), (340, 93822), (380, 83946), (408, 78185), (456, 69955), (510, 62548), (570, 55964), (646, 49380), (680, 46911), (760, 41973), (823, 38760), (969, 32920), (1020, 31274), (1140, 27982), (1292, 24690), (1615, 19752), (1646, 19380), (1938, 16460), (2040, 15637), (2280, 13991), (2469, 12920), (2584, 12345), (3230, 9876), (3292, 9690), (3876, 8230), (4115, 7752), (4845, 6584), (4938, 6460)]