111664140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2044

約数の個数: 144

約数和(自身を含む): 383040000

約数和(自身を除く): 271375860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 1999, 2660, 2793, 2940, 3724, 3990, 3998, 4655, 5586, 5997, 7980, 7996, 9310, 9995, 11172, 11994, 13965, 13993, 18620, 19990, 23988, 27930, 27986, 29985, 37981, 39980, 41979, 55860, 55972, 59970, 69965, 75962, 83958, 97951, 113943, 119940, 139930, 151924, 167916, 189905, 195902, 209895, 227886, 265867, 279860, 293853, 379810, 391804, 419790, 455772, 489755, 531734, 569715, 587706, 759620, 797601, 839580, 979510, 1063468, 1139430, 1175412, 1329335, 1469265, 1595202, 1861069, 1959020, 2278860, 2658670, 2938530, 3190404, 3722138, 3988005, 5317340, 5583207, 5877060, 7444276, 7976010, 9305345, 11166414, 15952020, 18610690, 22332828, 27916035, 37221380, 55832070, 111664140]

約数ペア:

[(1, 111664140), (2, 55832070), (3, 37221380), (4, 27916035), (5, 22332828), (6, 18610690), (7, 15952020), (10, 11166414), (12, 9305345), (14, 7976010), (15, 7444276), (19, 5877060), (20, 5583207), (21, 5317340), (28, 3988005), (30, 3722138), (35, 3190404), (38, 2938530), (42, 2658670), (49, 2278860), (57, 1959020), (60, 1861069), (70, 1595202), (76, 1469265), (84, 1329335), (95, 1175412), (98, 1139430), (105, 1063468), (114, 979510), (133, 839580), (140, 797601), (147, 759620), (190, 587706), (196, 569715), (210, 531734), (228, 489755), (245, 455772), (266, 419790), (285, 391804), (294, 379810), (380, 293853), (399, 279860), (420, 265867), (490, 227886), (532, 209895), (570, 195902), (588, 189905), (665, 167916), (735, 151924), (798, 139930), (931, 119940), (980, 113943), (1140, 97951), (1330, 83958), (1470, 75962), (1596, 69965), (1862, 59970), (1995, 55972), (1999, 55860), (2660, 41979), (2793, 39980), (2940, 37981), (3724, 29985), (3990, 27986), (3998, 27930), (4655, 23988), (5586, 19990), (5997, 18620), (7980, 13993), (7996, 13965), (9310, 11994), (9995, 11172)]