231816240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{811}}^1$

素因数の和:1227

約数の個数: 120

約数和(自身を含む): 781439568

約数和(自身を除く): 549623328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 397, 720, 794, 811, 1191, 1588, 1622, 1985, 2382, 2433, 3176, 3244, 3573, 3970, 4055, 4764, 4866, 5955, 6352, 6488, 7146, 7299, 7940, 8110, 9528, 9732, 11910, 12165, 12976, 14292, 14598, 15880, 16220, 17865, 19056, 19464, 23820, 24330, 28584, 29196, 31760, 32440, 35730, 36495, 38928, 47640, 48660, 57168, 58392, 64880, 71460, 72990, 95280, 97320, 116784, 142920, 145980, 194640, 285840, 291960, 321967, 583920, 643934, 965901, 1287868, 1609835, 1931802, 2575736, 2897703, 3219670, 3863604, 4829505, 5151472, 5795406, 6439340, 7727208, 9659010, 11590812, 12878680, 14488515, 15454416, 19318020, 23181624, 25757360, 28977030, 38636040, 46363248, 57954060, 77272080, 115908120, 231816240]

約数ペア:

[(1, 231816240), (2, 115908120), (3, 77272080), (4, 57954060), (5, 46363248), (6, 38636040), (8, 28977030), (9, 25757360), (10, 23181624), (12, 19318020), (15, 15454416), (16, 14488515), (18, 12878680), (20, 11590812), (24, 9659010), (30, 7727208), (36, 6439340), (40, 5795406), (45, 5151472), (48, 4829505), (60, 3863604), (72, 3219670), (80, 2897703), (90, 2575736), (120, 1931802), (144, 1609835), (180, 1287868), (240, 965901), (360, 643934), (397, 583920), (720, 321967), (794, 291960), (811, 285840), (1191, 194640), (1588, 145980), (1622, 142920), (1985, 116784), (2382, 97320), (2433, 95280), (3176, 72990), (3244, 71460), (3573, 64880), (3970, 58392), (4055, 57168), (4764, 48660), (4866, 47640), (5955, 38928), (6352, 36495), (6488, 35730), (7146, 32440), (7299, 31760), (7940, 29196), (8110, 28584), (9528, 24330), (9732, 23820), (11910, 19464), (12165, 19056), (12976, 17865), (14292, 16220), (14598, 15880)]