71238240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:893

約数の個数: 144

約数和(自身を含む): 247390416

約数和(自身を除く): 176152176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 240, 244, 288, 305, 360, 366, 480, 488, 549, 610, 720, 732, 811, 915, 976, 1098, 1220, 1440, 1464, 1622, 1830, 1952, 2196, 2433, 2440, 2745, 2928, 3244, 3660, 4055, 4392, 4866, 4880, 5490, 5856, 6488, 7299, 7320, 8110, 8784, 9732, 9760, 10980, 12165, 12976, 14598, 14640, 16220, 17568, 19464, 21960, 24330, 25952, 29196, 29280, 32440, 36495, 38928, 43920, 48660, 49471, 58392, 64880, 72990, 77856, 87840, 97320, 98942, 116784, 129760, 145980, 148413, 194640, 197884, 233568, 247355, 291960, 296826, 389280, 395768, 445239, 494710, 583920, 593652, 742065, 791536, 890478, 989420, 1167840, 1187304, 1484130, 1583072, 1780956, 1978840, 2226195, 2374608, 2968260, 3561912, 3957680, 4452390, 4749216, 5936520, 7123824, 7915360, 8904780, 11873040, 14247648, 17809560, 23746080, 35619120, 71238240]

約数ペア:

[(1, 71238240), (2, 35619120), (3, 23746080), (4, 17809560), (5, 14247648), (6, 11873040), (8, 8904780), (9, 7915360), (10, 7123824), (12, 5936520), (15, 4749216), (16, 4452390), (18, 3957680), (20, 3561912), (24, 2968260), (30, 2374608), (32, 2226195), (36, 1978840), (40, 1780956), (45, 1583072), (48, 1484130), (60, 1187304), (61, 1167840), (72, 989420), (80, 890478), (90, 791536), (96, 742065), (120, 593652), (122, 583920), (144, 494710), (160, 445239), (180, 395768), (183, 389280), (240, 296826), (244, 291960), (288, 247355), (305, 233568), (360, 197884), (366, 194640), (480, 148413), (488, 145980), (549, 129760), (610, 116784), (720, 98942), (732, 97320), (811, 87840), (915, 77856), (976, 72990), (1098, 64880), (1220, 58392), (1440, 49471), (1464, 48660), (1622, 43920), (1830, 38928), (1952, 36495), (2196, 32440), (2433, 29280), (2440, 29196), (2745, 25952), (2928, 24330), (3244, 21960), (3660, 19464), (4055, 17568), (4392, 16220), (4866, 14640), (4880, 14598), (5490, 12976), (5856, 12165), (6488, 10980), (7299, 9760), (7320, 9732), (8110, 8784)]