22721720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4271}}^1$

素因数の和:4308

約数の個数: 64

約数和(自身を含む): 61516800

約数和(自身を除く): 38795080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 4271, 5320, 8542, 17084, 21355, 29897, 34168, 42710, 59794, 81149, 85420, 119588, 149485, 162298, 170840, 239176, 298970, 324596, 405745, 568043, 597940, 649192, 811490, 1136086, 1195880, 1622980, 2272172, 2840215, 3245960, 4544344, 5680430, 11360860, 22721720]

約数ペア:

[(1, 22721720), (2, 11360860), (4, 5680430), (5, 4544344), (7, 3245960), (8, 2840215), (10, 2272172), (14, 1622980), (19, 1195880), (20, 1136086), (28, 811490), (35, 649192), (38, 597940), (40, 568043), (56, 405745), (70, 324596), (76, 298970), (95, 239176), (133, 170840), (140, 162298), (152, 149485), (190, 119588), (266, 85420), (280, 81149), (380, 59794), (532, 42710), (665, 34168), (760, 29897), (1064, 21355), (1330, 17084), (2660, 8542), (4271, 5320)]