87715120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 213057792

約数和(自身を除く): 125342672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 113, 124, 155, 226, 248, 310, 313, 452, 496, 565, 620, 626, 904, 1130, 1240, 1252, 1565, 1808, 2260, 2480, 2504, 3130, 3503, 4520, 5008, 6260, 7006, 9040, 9703, 12520, 14012, 17515, 19406, 25040, 28024, 35030, 35369, 38812, 48515, 56048, 70060, 70738, 77624, 97030, 140120, 141476, 155248, 176845, 194060, 280240, 282952, 353690, 388120, 565904, 707380, 776240, 1096439, 1414760, 2192878, 2829520, 4385756, 5482195, 8771512, 10964390, 17543024, 21928780, 43857560, 87715120]

約数ペア:

[(1, 87715120), (2, 43857560), (4, 21928780), (5, 17543024), (8, 10964390), (10, 8771512), (16, 5482195), (20, 4385756), (31, 2829520), (40, 2192878), (62, 1414760), (80, 1096439), (113, 776240), (124, 707380), (155, 565904), (226, 388120), (248, 353690), (310, 282952), (313, 280240), (452, 194060), (496, 176845), (565, 155248), (620, 141476), (626, 140120), (904, 97030), (1130, 77624), (1240, 70738), (1252, 70060), (1565, 56048), (1808, 48515), (2260, 38812), (2480, 35369), (2504, 35030), (3130, 28024), (3503, 25040), (4520, 19406), (5008, 17515), (6260, 14012), (7006, 12520), (9040, 9703)]