255536720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{617}}^1$

素因数の和:828

約数の個数: 80

約数和(自身を含む): 617960448

約数和(自身を除く): 362423728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 167, 248, 310, 334, 496, 617, 620, 668, 835, 1234, 1240, 1336, 1670, 2468, 2480, 2672, 3085, 3340, 4936, 5177, 6170, 6680, 9872, 10354, 12340, 13360, 19127, 20708, 24680, 25885, 38254, 41416, 49360, 51770, 76508, 82832, 95635, 103039, 103540, 153016, 191270, 206078, 207080, 306032, 382540, 412156, 414160, 515195, 765080, 824312, 1030390, 1530160, 1648624, 2060780, 3194209, 4121560, 6388418, 8243120, 12776836, 15971045, 25553672, 31942090, 51107344, 63884180, 127768360, 255536720]

約数ペア:

[(1, 255536720), (2, 127768360), (4, 63884180), (5, 51107344), (8, 31942090), (10, 25553672), (16, 15971045), (20, 12776836), (31, 8243120), (40, 6388418), (62, 4121560), (80, 3194209), (124, 2060780), (155, 1648624), (167, 1530160), (248, 1030390), (310, 824312), (334, 765080), (496, 515195), (617, 414160), (620, 412156), (668, 382540), (835, 306032), (1234, 207080), (1240, 206078), (1336, 191270), (1670, 153016), (2468, 103540), (2480, 103039), (2672, 95635), (3085, 82832), (3340, 76508), (4936, 51770), (5177, 49360), (6170, 41416), (6680, 38254), (9872, 25885), (10354, 24680), (12340, 20708), (13360, 19127)]