247140540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15427}}^1$

素因数の和:15531

約数の個数: 72

約数和(自身を含む): 758131920

約数和(自身を除く): 510991380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 8010, 15427, 16020, 30854, 46281, 61708, 77135, 92562, 138843, 154270, 185124, 231405, 277686, 308540, 462810, 555372, 694215, 925620, 1373003, 1388430, 2746006, 2776860, 4119009, 5492012, 6865015, 8238018, 12357027, 13730030, 16476036, 20595045, 24714054, 27460060, 41190090, 49428108, 61785135, 82380180, 123570270, 247140540]

約数ペア:

[(1, 247140540), (2, 123570270), (3, 82380180), (4, 61785135), (5, 49428108), (6, 41190090), (9, 27460060), (10, 24714054), (12, 20595045), (15, 16476036), (18, 13730030), (20, 12357027), (30, 8238018), (36, 6865015), (45, 5492012), (60, 4119009), (89, 2776860), (90, 2746006), (178, 1388430), (180, 1373003), (267, 925620), (356, 694215), (445, 555372), (534, 462810), (801, 308540), (890, 277686), (1068, 231405), (1335, 185124), (1602, 154270), (1780, 138843), (2670, 92562), (3204, 77135), (4005, 61708), (5340, 46281), (8010, 30854), (15427, 16020)]