19575360

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{971}}^1$

素因数の和:1001

約数の個数: 168

約数和(自身を含む): 77029056

約数和(自身を除く): 57453696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 971, 1008, 1120, 1260, 1344, 1440, 1680, 1942, 2016, 2240, 2520, 2880, 2913, 3360, 3884, 4032, 4855, 5040, 5826, 6720, 6797, 7768, 8739, 9710, 10080, 11652, 13594, 14565, 15536, 17478, 19420, 20160, 20391, 23304, 27188, 29130, 31072, 33985, 34956, 38840, 40782, 43695, 46608, 54376, 58260, 61173, 62144, 67970, 69912, 77680, 81564, 87390, 93216, 101955, 108752, 116520, 122346, 135940, 139824, 155360, 163128, 174780, 186432, 203910, 217504, 233040, 244692, 271880, 279648, 305865, 310720, 326256, 349560, 407820, 435008, 466080, 489384, 543760, 559296, 611730, 652512, 699120, 815640, 932160, 978768, 1087520, 1223460, 1305024, 1398240, 1631280, 1957536, 2175040, 2446920, 2796480, 3262560, 3915072, 4893840, 6525120, 9787680, 19575360]

約数ペア:

[(1, 19575360), (2, 9787680), (3, 6525120), (4, 4893840), (5, 3915072), (6, 3262560), (7, 2796480), (8, 2446920), (9, 2175040), (10, 1957536), (12, 1631280), (14, 1398240), (15, 1305024), (16, 1223460), (18, 1087520), (20, 978768), (21, 932160), (24, 815640), (28, 699120), (30, 652512), (32, 611730), (35, 559296), (36, 543760), (40, 489384), (42, 466080), (45, 435008), (48, 407820), (56, 349560), (60, 326256), (63, 310720), (64, 305865), (70, 279648), (72, 271880), (80, 244692), (84, 233040), (90, 217504), (96, 203910), (105, 186432), (112, 174780), (120, 163128), (126, 155360), (140, 139824), (144, 135940), (160, 122346), (168, 116520), (180, 108752), (192, 101955), (210, 93216), (224, 87390), (240, 81564), (252, 77680), (280, 69912), (288, 67970), (315, 62144), (320, 61173), (336, 58260), (360, 54376), (420, 46608), (448, 43695), (480, 40782), (504, 38840), (560, 34956), (576, 33985), (630, 31072), (672, 29130), (720, 27188), (840, 23304), (960, 20391), (971, 20160), (1008, 19420), (1120, 17478), (1260, 15536), (1344, 14565), (1440, 13594), (1680, 11652), (1942, 10080), (2016, 9710), (2240, 8739), (2520, 7768), (2880, 6797), (2913, 6720), (3360, 5826), (3884, 5040), (4032, 4855)]