215550540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1733}}^1$

素因数の和:2439

約数の個数: 72

約数和(自身を含む): 655160688

約数和(自身を除く): 439610148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 691, 1382, 1733, 2073, 2764, 3455, 3466, 4146, 5199, 6219, 6910, 6932, 8292, 8665, 10365, 10398, 12438, 13820, 15597, 17330, 20730, 20796, 24876, 25995, 31095, 31194, 34660, 41460, 51990, 62190, 62388, 77985, 103980, 124380, 155970, 311940, 1197503, 2395006, 3592509, 4790012, 5987515, 7185018, 10777527, 11975030, 14370036, 17962545, 21555054, 23950060, 35925090, 43110108, 53887635, 71850180, 107775270, 215550540]

約数ペア:

[(1, 215550540), (2, 107775270), (3, 71850180), (4, 53887635), (5, 43110108), (6, 35925090), (9, 23950060), (10, 21555054), (12, 17962545), (15, 14370036), (18, 11975030), (20, 10777527), (30, 7185018), (36, 5987515), (45, 4790012), (60, 3592509), (90, 2395006), (180, 1197503), (691, 311940), (1382, 155970), (1733, 124380), (2073, 103980), (2764, 77985), (3455, 62388), (3466, 62190), (4146, 51990), (5199, 41460), (6219, 34660), (6910, 31194), (6932, 31095), (8292, 25995), (8665, 24876), (10365, 20796), (10398, 20730), (12438, 17330), (13820, 15597)]