8854180020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{971}}^1\times {\mathrm{7237}}^1$

素因数の和:8230

約数の個数: 144

約数和(自身を含む): 30730347648

約数和(自身を除く): 21876167628

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 971, 1260, 1942, 2913, 3884, 4855, 5826, 6797, 7237, 8739, 9710, 11652, 13594, 14474, 14565, 17478, 19420, 20391, 21711, 27188, 28948, 29130, 33985, 34956, 36185, 40782, 43422, 43695, 50659, 58260, 61173, 65133, 67970, 72370, 81564, 86844, 87390, 101318, 101955, 108555, 122346, 130266, 135940, 144740, 151977, 174780, 202636, 203910, 217110, 244692, 253295, 260532, 303954, 305865, 325665, 407820, 434220, 455931, 506590, 607908, 611730, 651330, 759885, 911862, 1013180, 1223460, 1302660, 1519770, 1823724, 2279655, 3039540, 4559310, 7027127, 9118620, 14054254, 21081381, 28108508, 35135635, 42162762, 49189889, 63244143, 70271270, 84325524, 98379778, 105406905, 126488286, 140542540, 147569667, 196759556, 210813810, 245949445, 252976572, 295139334, 316220715, 421627620, 442709001, 491898890, 590278668, 632441430, 737848335, 885418002, 983797780, 1264882860, 1475696670, 1770836004, 2213545005, 2951393340, 4427090010, 8854180020]

約数ペア:

[(1, 8854180020), (2, 4427090010), (3, 2951393340), (4, 2213545005), (5, 1770836004), (6, 1475696670), (7, 1264882860), (9, 983797780), (10, 885418002), (12, 737848335), (14, 632441430), (15, 590278668), (18, 491898890), (20, 442709001), (21, 421627620), (28, 316220715), (30, 295139334), (35, 252976572), (36, 245949445), (42, 210813810), (45, 196759556), (60, 147569667), (63, 140542540), (70, 126488286), (84, 105406905), (90, 98379778), (105, 84325524), (126, 70271270), (140, 63244143), (180, 49189889), (210, 42162762), (252, 35135635), (315, 28108508), (420, 21081381), (630, 14054254), (971, 9118620), (1260, 7027127), (1942, 4559310), (2913, 3039540), (3884, 2279655), (4855, 1823724), (5826, 1519770), (6797, 1302660), (7237, 1223460), (8739, 1013180), (9710, 911862), (11652, 759885), (13594, 651330), (14474, 611730), (14565, 607908), (17478, 506590), (19420, 455931), (20391, 434220), (21711, 407820), (27188, 325665), (28948, 305865), (29130, 303954), (33985, 260532), (34956, 253295), (36185, 244692), (40782, 217110), (43422, 203910), (43695, 202636), (50659, 174780), (58260, 151977), (61173, 144740), (65133, 135940), (67970, 130266), (72370, 122346), (81564, 108555), (86844, 101955), (87390, 101318)]