73923920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1307}}^1$

素因数の和:1428

約数の個数: 80

約数和(自身を含む): 198523008

約数和(自身を除く): 124599088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1307, 1414, 1616, 2020, 2614, 2828, 3535, 4040, 5228, 5656, 6535, 7070, 8080, 9149, 10456, 11312, 13070, 14140, 18298, 20912, 26140, 28280, 36596, 45745, 52280, 56560, 73192, 91490, 104560, 132007, 146384, 182980, 264014, 365960, 528028, 660035, 731920, 924049, 1056056, 1320070, 1848098, 2112112, 2640140, 3696196, 4620245, 5280280, 7392392, 9240490, 10560560, 14784784, 18480980, 36961960, 73923920]

約数ペア:

[(1, 73923920), (2, 36961960), (4, 18480980), (5, 14784784), (7, 10560560), (8, 9240490), (10, 7392392), (14, 5280280), (16, 4620245), (20, 3696196), (28, 2640140), (35, 2112112), (40, 1848098), (56, 1320070), (70, 1056056), (80, 924049), (101, 731920), (112, 660035), (140, 528028), (202, 365960), (280, 264014), (404, 182980), (505, 146384), (560, 132007), (707, 104560), (808, 91490), (1010, 73192), (1307, 56560), (1414, 52280), (1616, 45745), (2020, 36596), (2614, 28280), (2828, 26140), (3535, 20912), (4040, 18298), (5228, 14140), (5656, 13070), (6535, 11312), (7070, 10456), (8080, 9149)]