80431680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11969}}^1$

素因数の和:11996

約数の個数: 112

約数和(自身を含む): 291876480

約数和(自身を除く): 211444800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 11969, 23938, 35907, 47876, 59845, 71814, 83783, 95752, 119690, 143628, 167566, 179535, 191504, 239380, 251349, 287256, 335132, 359070, 383008, 418915, 478760, 502698, 574512, 670264, 718140, 766016, 837830, 957520, 1005396, 1149024, 1256745, 1340528, 1436280, 1675660, 1915040, 2010792, 2298048, 2513490, 2681056, 2872560, 3351320, 3830080, 4021584, 5026980, 5362112, 5745120, 6702640, 8043168, 10053960, 11490240, 13405280, 16086336, 20107920, 26810560, 40215840, 80431680]

約数ペア:

[(1, 80431680), (2, 40215840), (3, 26810560), (4, 20107920), (5, 16086336), (6, 13405280), (7, 11490240), (8, 10053960), (10, 8043168), (12, 6702640), (14, 5745120), (15, 5362112), (16, 5026980), (20, 4021584), (21, 3830080), (24, 3351320), (28, 2872560), (30, 2681056), (32, 2513490), (35, 2298048), (40, 2010792), (42, 1915040), (48, 1675660), (56, 1436280), (60, 1340528), (64, 1256745), (70, 1149024), (80, 1005396), (84, 957520), (96, 837830), (105, 766016), (112, 718140), (120, 670264), (140, 574512), (160, 502698), (168, 478760), (192, 418915), (210, 383008), (224, 359070), (240, 335132), (280, 287256), (320, 251349), (336, 239380), (420, 191504), (448, 179535), (480, 167566), (560, 143628), (672, 119690), (840, 95752), (960, 83783), (1120, 71814), (1344, 59845), (1680, 47876), (2240, 35907), (3360, 23938), (6720, 11969)]