66031420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 178573248

約数和(自身を除く): 112541828

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 71, 73, 91, 98, 130, 140, 142, 146, 182, 196, 245, 260, 284, 292, 355, 364, 365, 455, 490, 497, 511, 637, 710, 730, 910, 923, 949, 980, 994, 1022, 1274, 1420, 1460, 1820, 1846, 1898, 1988, 2044, 2485, 2548, 2555, 3185, 3479, 3577, 3692, 3796, 4615, 4745, 4970, 5110, 5183, 6370, 6461, 6643, 6958, 7154, 9230, 9490, 9940, 10220, 10366, 12740, 12922, 13286, 13916, 14308, 17395, 17885, 18460, 18980, 20732, 25844, 25915, 26572, 32305, 33215, 34790, 35770, 36281, 45227, 46501, 51830, 64610, 66430, 67379, 69580, 71540, 72562, 90454, 93002, 103660, 129220, 132860, 134758, 145124, 180908, 181405, 186004, 226135, 232505, 253967, 269516, 336895, 362810, 452270, 465010, 471653, 507934, 673790, 725620, 904540, 930020, 943306, 1015868, 1269835, 1347580, 1886612, 2358265, 2539670, 3301571, 4716530, 5079340, 6603142, 9433060, 13206284, 16507855, 33015710, 66031420]

約数ペア:

[(1, 66031420), (2, 33015710), (4, 16507855), (5, 13206284), (7, 9433060), (10, 6603142), (13, 5079340), (14, 4716530), (20, 3301571), (26, 2539670), (28, 2358265), (35, 1886612), (49, 1347580), (52, 1269835), (65, 1015868), (70, 943306), (71, 930020), (73, 904540), (91, 725620), (98, 673790), (130, 507934), (140, 471653), (142, 465010), (146, 452270), (182, 362810), (196, 336895), (245, 269516), (260, 253967), (284, 232505), (292, 226135), (355, 186004), (364, 181405), (365, 180908), (455, 145124), (490, 134758), (497, 132860), (511, 129220), (637, 103660), (710, 93002), (730, 90454), (910, 72562), (923, 71540), (949, 69580), (980, 67379), (994, 66430), (1022, 64610), (1274, 51830), (1420, 46501), (1460, 45227), (1820, 36281), (1846, 35770), (1898, 34790), (1988, 33215), (2044, 32305), (2485, 26572), (2548, 25915), (2555, 25844), (3185, 20732), (3479, 18980), (3577, 18460), (3692, 17885), (3796, 17395), (4615, 14308), (4745, 13916), (4970, 13286), (5110, 12922), (5183, 12740), (6370, 10366), (6461, 10220), (6643, 9940), (6958, 9490), (7154, 9230)]