72227120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1277}}^1$

素因数の和:1398

約数の個数: 80

約数和(自身を含む): 193969728

約数和(自身を除く): 121742608

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, 1277, 1414, 1616, 2020, 2554, 2828, 3535, 4040, 5108, 5656, 6385, 7070, 8080, 8939, 10216, 11312, 12770, 14140, 17878, 20432, 25540, 28280, 35756, 44695, 51080, 56560, 71512, 89390, 102160, 128977, 143024, 178780, 257954, 357560, 515908, 644885, 715120, 902839, 1031816, 1289770, 1805678, 2063632, 2579540, 3611356, 4514195, 5159080, 7222712, 9028390, 10318160, 14445424, 18056780, 36113560, 72227120]

約数ペア:

[(1, 72227120), (2, 36113560), (4, 18056780), (5, 14445424), (7, 10318160), (8, 9028390), (10, 7222712), (14, 5159080), (16, 4514195), (20, 3611356), (28, 2579540), (35, 2063632), (40, 1805678), (56, 1289770), (70, 1031816), (80, 902839), (101, 715120), (112, 644885), (140, 515908), (202, 357560), (280, 257954), (404, 178780), (505, 143024), (560, 128977), (707, 102160), (808, 89390), (1010, 71512), (1277, 56560), (1414, 51080), (1616, 44695), (2020, 35756), (2554, 28280), (2828, 25540), (3535, 20432), (4040, 17878), (5108, 14140), (5656, 12770), (6385, 11312), (7070, 10216), (8080, 8939)]