72512720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4177}}^1$

素因数の和:4228

約数の個数: 80

約数和(自身を含む): 198939648

約数和(自身を除く): 126426928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4177, 4340, 8354, 8680, 16708, 17360, 20885, 29239, 33416, 41770, 58478, 66832, 83540, 116956, 129487, 146195, 167080, 233912, 258974, 292390, 334160, 467824, 517948, 584780, 647435, 906409, 1035896, 1169560, 1294870, 1812818, 2071792, 2339120, 2589740, 3625636, 4532045, 5179480, 7251272, 9064090, 10358960, 14502544, 18128180, 36256360, 72512720]

約数ペア:

[(1, 72512720), (2, 36256360), (4, 18128180), (5, 14502544), (7, 10358960), (8, 9064090), (10, 7251272), (14, 5179480), (16, 4532045), (20, 3625636), (28, 2589740), (31, 2339120), (35, 2071792), (40, 1812818), (56, 1294870), (62, 1169560), (70, 1035896), (80, 906409), (112, 647435), (124, 584780), (140, 517948), (155, 467824), (217, 334160), (248, 292390), (280, 258974), (310, 233912), (434, 167080), (496, 146195), (560, 129487), (620, 116956), (868, 83540), (1085, 66832), (1240, 58478), (1736, 41770), (2170, 33416), (2480, 29239), (3472, 20885), (4177, 17360), (4340, 16708), (8354, 8680)]