16618920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 54172800

約数和(自身を除く): 37553880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 37, 38, 40, 57, 60, 74, 76, 95, 111, 114, 120, 148, 152, 185, 190, 197, 222, 228, 285, 296, 370, 380, 394, 444, 456, 555, 570, 591, 703, 740, 760, 788, 888, 985, 1110, 1140, 1182, 1406, 1480, 1576, 1970, 2109, 2220, 2280, 2364, 2812, 2955, 3515, 3743, 3940, 4218, 4440, 4728, 5624, 5910, 7030, 7289, 7486, 7880, 8436, 10545, 11229, 11820, 14060, 14578, 14972, 16872, 18715, 21090, 21867, 22458, 23640, 28120, 29156, 29944, 36445, 37430, 42180, 43734, 44916, 56145, 58312, 72890, 74860, 84360, 87468, 89832, 109335, 112290, 138491, 145780, 149720, 174936, 218670, 224580, 276982, 291560, 415473, 437340, 449160, 553964, 692455, 830946, 874680, 1107928, 1384910, 1661892, 2077365, 2769820, 3323784, 4154730, 5539640, 8309460, 16618920]

約数ペア:

[(1, 16618920), (2, 8309460), (3, 5539640), (4, 4154730), (5, 3323784), (6, 2769820), (8, 2077365), (10, 1661892), (12, 1384910), (15, 1107928), (19, 874680), (20, 830946), (24, 692455), (30, 553964), (37, 449160), (38, 437340), (40, 415473), (57, 291560), (60, 276982), (74, 224580), (76, 218670), (95, 174936), (111, 149720), (114, 145780), (120, 138491), (148, 112290), (152, 109335), (185, 89832), (190, 87468), (197, 84360), (222, 74860), (228, 72890), (285, 58312), (296, 56145), (370, 44916), (380, 43734), (394, 42180), (444, 37430), (456, 36445), (555, 29944), (570, 29156), (591, 28120), (703, 23640), (740, 22458), (760, 21867), (788, 21090), (888, 18715), (985, 16872), (1110, 14972), (1140, 14578), (1182, 14060), (1406, 11820), (1480, 11229), (1576, 10545), (1970, 8436), (2109, 7880), (2220, 7486), (2280, 7289), (2364, 7030), (2812, 5910), (2955, 5624), (3515, 4728), (3743, 4440), (3940, 4218)]