221185020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3271}}^1$

素因数の和:3320

約数の個数: 144

約数和(自身を含む): 751984128

約数和(自身を除く): 530799108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 966, 980, 1127, 1380, 1470, 1610, 1932, 2254, 2415, 2940, 3220, 3271, 3381, 4508, 4830, 5635, 6542, 6762, 9660, 9813, 11270, 13084, 13524, 16355, 16905, 19626, 22540, 22897, 32710, 33810, 39252, 45794, 49065, 65420, 67620, 68691, 75233, 91588, 98130, 114485, 137382, 150466, 160279, 196260, 225699, 228970, 274764, 300932, 320558, 343455, 376165, 451398, 457940, 480837, 526631, 641116, 686910, 752330, 801395, 902796, 961674, 1053262, 1128495, 1373820, 1504660, 1579893, 1602790, 1923348, 2106524, 2256990, 2404185, 2633155, 3159786, 3205580, 3686417, 4513980, 4808370, 5266310, 6319572, 7372834, 7899465, 9616740, 10532620, 11059251, 14745668, 15798930, 18432085, 22118502, 31597860, 36864170, 44237004, 55296255, 73728340, 110592510, 221185020]

約数ペア:

[(1, 221185020), (2, 110592510), (3, 73728340), (4, 55296255), (5, 44237004), (6, 36864170), (7, 31597860), (10, 22118502), (12, 18432085), (14, 15798930), (15, 14745668), (20, 11059251), (21, 10532620), (23, 9616740), (28, 7899465), (30, 7372834), (35, 6319572), (42, 5266310), (46, 4808370), (49, 4513980), (60, 3686417), (69, 3205580), (70, 3159786), (84, 2633155), (92, 2404185), (98, 2256990), (105, 2106524), (115, 1923348), (138, 1602790), (140, 1579893), (147, 1504660), (161, 1373820), (196, 1128495), (210, 1053262), (230, 961674), (245, 902796), (276, 801395), (294, 752330), (322, 686910), (345, 641116), (420, 526631), (460, 480837), (483, 457940), (490, 451398), (588, 376165), (644, 343455), (690, 320558), (735, 300932), (805, 274764), (966, 228970), (980, 225699), (1127, 196260), (1380, 160279), (1470, 150466), (1610, 137382), (1932, 114485), (2254, 98130), (2415, 91588), (2940, 75233), (3220, 68691), (3271, 67620), (3381, 65420), (4508, 49065), (4830, 45794), (5635, 39252), (6542, 33810), (6762, 32710), (9660, 22897), (9813, 22540), (11270, 19626), (13084, 16905), (13524, 16355)]