18427920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1567}}^1$

素因数の和:1597

約数の個数: 120

約数和(自身を含む): 66495744

約数和(自身を除く): 48067824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1567, 1680, 1960, 2352, 2940, 3134, 3920, 4701, 5880, 6268, 7835, 9402, 10969, 11760, 12536, 15670, 18804, 21938, 23505, 25072, 31340, 32907, 37608, 43876, 47010, 54845, 62680, 65814, 75216, 76783, 87752, 94020, 109690, 125360, 131628, 153566, 164535, 175504, 188040, 219380, 230349, 263256, 307132, 329070, 376080, 383915, 438760, 460698, 526512, 614264, 658140, 767830, 877520, 921396, 1151745, 1228528, 1316280, 1535660, 1842792, 2303490, 2632560, 3071320, 3685584, 4606980, 6142640, 9213960, 18427920]

約数ペア:

[(1, 18427920), (2, 9213960), (3, 6142640), (4, 4606980), (5, 3685584), (6, 3071320), (7, 2632560), (8, 2303490), (10, 1842792), (12, 1535660), (14, 1316280), (15, 1228528), (16, 1151745), (20, 921396), (21, 877520), (24, 767830), (28, 658140), (30, 614264), (35, 526512), (40, 460698), (42, 438760), (48, 383915), (49, 376080), (56, 329070), (60, 307132), (70, 263256), (80, 230349), (84, 219380), (98, 188040), (105, 175504), (112, 164535), (120, 153566), (140, 131628), (147, 125360), (168, 109690), (196, 94020), (210, 87752), (240, 76783), (245, 75216), (280, 65814), (294, 62680), (336, 54845), (392, 47010), (420, 43876), (490, 37608), (560, 32907), (588, 31340), (735, 25072), (784, 23505), (840, 21938), (980, 18804), (1176, 15670), (1470, 12536), (1567, 11760), (1680, 10969), (1960, 9402), (2352, 7835), (2940, 6268), (3134, 5880), (3920, 4701)]