80016720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47629}}^1$

素因数の和:47652

約数の個数: 80

約数和(自身を含む): 283493760

約数和(自身を除く): 203477040

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, 47629, 95258, 142887, 190516, 238145, 285774, 333403, 381032, 476290, 571548, 666806, 714435, 762064, 952580, 1000209, 1143096, 1333612, 1428870, 1667015, 1905160, 2000418, 2286192, 2667224, 2857740, 3334030, 3810320, 4000836, 5001045, 5334448, 5715480, 6668060, 8001672, 10002090, 11430960, 13336120, 16003344, 20004180, 26672240, 40008360, 80016720]

約数ペア:

[(1, 80016720), (2, 40008360), (3, 26672240), (4, 20004180), (5, 16003344), (6, 13336120), (7, 11430960), (8, 10002090), (10, 8001672), (12, 6668060), (14, 5715480), (15, 5334448), (16, 5001045), (20, 4000836), (21, 3810320), (24, 3334030), (28, 2857740), (30, 2667224), (35, 2286192), (40, 2000418), (42, 1905160), (48, 1667015), (56, 1428870), (60, 1333612), (70, 1143096), (80, 1000209), (84, 952580), (105, 762064), (112, 714435), (120, 666806), (140, 571548), (168, 476290), (210, 381032), (240, 333403), (280, 285774), (336, 238145), (420, 190516), (560, 142887), (840, 95258), (1680, 47629)]