28240080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:609

約数の個数: 160

約数和(自身を含む): 100707840

約数和(自身を除く): 72467760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 110, 114, 120, 132, 152, 165, 176, 190, 209, 220, 228, 240, 264, 285, 304, 330, 380, 418, 440, 456, 528, 563, 570, 627, 660, 760, 836, 880, 912, 1045, 1126, 1140, 1254, 1320, 1520, 1672, 1689, 2090, 2252, 2280, 2508, 2640, 2815, 3135, 3344, 3378, 4180, 4504, 4560, 5016, 5630, 6193, 6270, 6756, 8360, 8445, 9008, 10032, 10697, 11260, 12386, 12540, 13512, 16720, 16890, 18579, 21394, 22520, 24772, 25080, 27024, 30965, 32091, 33780, 37158, 42788, 45040, 49544, 50160, 53485, 61930, 64182, 67560, 74316, 85576, 92895, 99088, 106970, 117667, 123860, 128364, 135120, 148632, 160455, 171152, 185790, 213940, 235334, 247720, 256728, 297264, 320910, 353001, 371580, 427880, 470668, 495440, 513456, 588335, 641820, 706002, 743160, 855760, 941336, 1176670, 1283640, 1412004, 1486320, 1765005, 1882672, 2353340, 2567280, 2824008, 3530010, 4706680, 5648016, 7060020, 9413360, 14120040, 28240080]

約数ペア:

[(1, 28240080), (2, 14120040), (3, 9413360), (4, 7060020), (5, 5648016), (6, 4706680), (8, 3530010), (10, 2824008), (11, 2567280), (12, 2353340), (15, 1882672), (16, 1765005), (19, 1486320), (20, 1412004), (22, 1283640), (24, 1176670), (30, 941336), (33, 855760), (38, 743160), (40, 706002), (44, 641820), (48, 588335), (55, 513456), (57, 495440), (60, 470668), (66, 427880), (76, 371580), (80, 353001), (88, 320910), (95, 297264), (110, 256728), (114, 247720), (120, 235334), (132, 213940), (152, 185790), (165, 171152), (176, 160455), (190, 148632), (209, 135120), (220, 128364), (228, 123860), (240, 117667), (264, 106970), (285, 99088), (304, 92895), (330, 85576), (380, 74316), (418, 67560), (440, 64182), (456, 61930), (528, 53485), (563, 50160), (570, 49544), (627, 45040), (660, 42788), (760, 37158), (836, 33780), (880, 32091), (912, 30965), (1045, 27024), (1126, 25080), (1140, 24772), (1254, 22520), (1320, 21394), (1520, 18579), (1672, 16890), (1689, 16720), (2090, 13512), (2252, 12540), (2280, 12386), (2508, 11260), (2640, 10697), (2815, 10032), (3135, 9008), (3344, 8445), (3378, 8360), (4180, 6756), (4504, 6270), (4560, 6193), (5016, 5630)]