18700080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11131}}^1$

素因数の和:11154

約数の個数: 80

約数和(自身を含む): 66257664

約数和(自身を除く): 47557584

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11131, 22262, 33393, 44524, 55655, 66786, 77917, 89048, 111310, 133572, 155834, 166965, 178096, 222620, 233751, 267144, 311668, 333930, 389585, 445240, 467502, 534288, 623336, 667860, 779170, 890480, 935004, 1168755, 1246672, 1335720, 1558340, 1870008, 2337510, 2671440, 3116680, 3740016, 4675020, 6233360, 9350040, 18700080]

約数ペア:

[(1, 18700080), (2, 9350040), (3, 6233360), (4, 4675020), (5, 3740016), (6, 3116680), (7, 2671440), (8, 2337510), (10, 1870008), (12, 1558340), (14, 1335720), (15, 1246672), (16, 1168755), (20, 935004), (21, 890480), (24, 779170), (28, 667860), (30, 623336), (35, 534288), (40, 467502), (42, 445240), (48, 389585), (56, 333930), (60, 311668), (70, 267144), (80, 233751), (84, 222620), (105, 178096), (112, 166965), (120, 155834), (140, 133572), (168, 111310), (210, 89048), (240, 77917), (280, 66786), (336, 55655), (420, 44524), (560, 33393), (840, 22262), (1680, 11131)]