1308931680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{389563}}^1$

素因数の和:389588

約数の個数: 96

約数和(自身を含む): 4712166144

約数和(自身を除く): 3403234464

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, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 389563, 779126, 1168689, 1558252, 1947815, 2337378, 2726941, 3116504, 3895630, 4674756, 5453882, 5843445, 6233008, 7791260, 8180823, 9349512, 10907764, 11686890, 12466016, 13634705, 15582520, 16361646, 18699024, 21815528, 23373780, 27269410, 31165040, 32723292, 37398048, 40904115, 43631056, 46747560, 54538820, 62330080, 65446584, 81808230, 87262112, 93495120, 109077640, 130893168, 163616460, 186990240, 218155280, 261786336, 327232920, 436310560, 654465840, 1308931680]

約数ペア:

[(1, 1308931680), (2, 654465840), (3, 436310560), (4, 327232920), (5, 261786336), (6, 218155280), (7, 186990240), (8, 163616460), (10, 130893168), (12, 109077640), (14, 93495120), (15, 87262112), (16, 81808230), (20, 65446584), (21, 62330080), (24, 54538820), (28, 46747560), (30, 43631056), (32, 40904115), (35, 37398048), (40, 32723292), (42, 31165040), (48, 27269410), (56, 23373780), (60, 21815528), (70, 18699024), (80, 16361646), (84, 15582520), (96, 13634705), (105, 12466016), (112, 11686890), (120, 10907764), (140, 9349512), (160, 8180823), (168, 7791260), (210, 6233008), (224, 5843445), (240, 5453882), (280, 4674756), (336, 3895630), (420, 3116504), (480, 2726941), (560, 2337378), (672, 1947815), (840, 1558252), (1120, 1168689), (1680, 779126), (3360, 389563)]