140656640

素因数分解:

$2^{14}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:151

約数の個数: 120

約数和(自身を含む): 360961272

約数和(自身を除く): 220304632

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 101, 128, 136, 160, 170, 202, 256, 272, 320, 340, 404, 505, 512, 544, 640, 680, 808, 1010, 1024, 1088, 1280, 1360, 1616, 1717, 2020, 2048, 2176, 2560, 2720, 3232, 3434, 4040, 4096, 4352, 5120, 5440, 6464, 6868, 8080, 8192, 8585, 8704, 10240, 10880, 12928, 13736, 16160, 16384, 17170, 17408, 20480, 21760, 25856, 27472, 32320, 34340, 34816, 40960, 43520, 51712, 54944, 64640, 68680, 69632, 81920, 87040, 103424, 109888, 129280, 137360, 139264, 174080, 206848, 219776, 258560, 274720, 278528, 348160, 413696, 439552, 517120, 549440, 696320, 827392, 879104, 1034240, 1098880, 1392640, 1654784, 1758208, 2068480, 2197760, 3516416, 4136960, 4395520, 7032832, 8273920, 8791040, 14065664, 17582080, 28131328, 35164160, 70328320, 140656640]

約数ペア:

[(1, 140656640), (2, 70328320), (4, 35164160), (5, 28131328), (8, 17582080), (10, 14065664), (16, 8791040), (17, 8273920), (20, 7032832), (32, 4395520), (34, 4136960), (40, 3516416), (64, 2197760), (68, 2068480), (80, 1758208), (85, 1654784), (101, 1392640), (128, 1098880), (136, 1034240), (160, 879104), (170, 827392), (202, 696320), (256, 549440), (272, 517120), (320, 439552), (340, 413696), (404, 348160), (505, 278528), (512, 274720), (544, 258560), (640, 219776), (680, 206848), (808, 174080), (1010, 139264), (1024, 137360), (1088, 129280), (1280, 109888), (1360, 103424), (1616, 87040), (1717, 81920), (2020, 69632), (2048, 68680), (2176, 64640), (2560, 54944), (2720, 51712), (3232, 43520), (3434, 40960), (4040, 34816), (4096, 34340), (4352, 32320), (5120, 27472), (5440, 25856), (6464, 21760), (6868, 20480), (8080, 17408), (8192, 17170), (8585, 16384), (8704, 16160), (10240, 13736), (10880, 12928)]