68155920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13523}}^1$

素因数の和:13549

約数の個数: 120

約数和(自身を含む): 261608256

約数和(自身を除く): 193452336

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 13523, 27046, 40569, 54092, 67615, 81138, 94661, 108184, 121707, 135230, 162276, 189322, 202845, 216368, 243414, 270460, 283983, 324552, 378644, 405690, 473305, 486828, 540920, 567966, 608535, 649104, 757288, 811380, 851949, 946610, 973656, 1081840, 1135932, 1217070, 1419915, 1514576, 1622760, 1703898, 1893220, 1947312, 2271864, 2434140, 2839830, 3245520, 3407796, 3786440, 4259745, 4543728, 4868280, 5679660, 6815592, 7572880, 8519490, 9736560, 11359320, 13631184, 17038980, 22718640, 34077960, 68155920]

約数ペア:

[(1, 68155920), (2, 34077960), (3, 22718640), (4, 17038980), (5, 13631184), (6, 11359320), (7, 9736560), (8, 8519490), (9, 7572880), (10, 6815592), (12, 5679660), (14, 4868280), (15, 4543728), (16, 4259745), (18, 3786440), (20, 3407796), (21, 3245520), (24, 2839830), (28, 2434140), (30, 2271864), (35, 1947312), (36, 1893220), (40, 1703898), (42, 1622760), (45, 1514576), (48, 1419915), (56, 1217070), (60, 1135932), (63, 1081840), (70, 973656), (72, 946610), (80, 851949), (84, 811380), (90, 757288), (105, 649104), (112, 608535), (120, 567966), (126, 540920), (140, 486828), (144, 473305), (168, 405690), (180, 378644), (210, 324552), (240, 283983), (252, 270460), (280, 243414), (315, 216368), (336, 202845), (360, 189322), (420, 162276), (504, 135230), (560, 121707), (630, 108184), (720, 94661), (840, 81138), (1008, 67615), (1260, 54092), (1680, 40569), (2520, 27046), (5040, 13523)]