28541640

素因数分解:

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

素因数の和:871

約数の個数: 96

約数和(自身を含む): 91068480

約数和(自身を除く): 62526840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 289, 340, 408, 510, 578, 680, 823, 867, 1020, 1156, 1445, 1646, 1734, 2040, 2312, 2469, 2890, 3292, 3468, 4115, 4335, 4938, 5780, 6584, 6936, 8230, 8670, 9876, 11560, 12345, 13991, 16460, 17340, 19752, 24690, 27982, 32920, 34680, 41973, 49380, 55964, 69955, 83946, 98760, 111928, 139910, 167892, 209865, 237847, 279820, 335784, 419730, 475694, 559640, 713541, 839460, 951388, 1189235, 1427082, 1678920, 1902776, 2378470, 2854164, 3567705, 4756940, 5708328, 7135410, 9513880, 14270820, 28541640]

約数ペア:

[(1, 28541640), (2, 14270820), (3, 9513880), (4, 7135410), (5, 5708328), (6, 4756940), (8, 3567705), (10, 2854164), (12, 2378470), (15, 1902776), (17, 1678920), (20, 1427082), (24, 1189235), (30, 951388), (34, 839460), (40, 713541), (51, 559640), (60, 475694), (68, 419730), (85, 335784), (102, 279820), (120, 237847), (136, 209865), (170, 167892), (204, 139910), (255, 111928), (289, 98760), (340, 83946), (408, 69955), (510, 55964), (578, 49380), (680, 41973), (823, 34680), (867, 32920), (1020, 27982), (1156, 24690), (1445, 19752), (1646, 17340), (1734, 16460), (2040, 13991), (2312, 12345), (2469, 11560), (2890, 9876), (3292, 8670), (3468, 8230), (4115, 6936), (4335, 6584), (4938, 5780)]