30042720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:725

約数の個数: 144

約数和(自身を含む): 105985152

約数和(自身を除く): 75942432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 673, 720, 744, 930, 992, 1116, 1240, 1346, 1395, 1440, 1488, 1860, 2019, 2232, 2480, 2692, 2790, 2976, 3365, 3720, 4038, 4464, 4960, 5384, 5580, 6057, 6730, 7440, 8076, 8928, 10095, 10768, 11160, 12114, 13460, 14880, 16152, 20190, 20863, 21536, 22320, 24228, 26920, 30285, 32304, 40380, 41726, 44640, 48456, 53840, 60570, 62589, 64608, 80760, 83452, 96912, 104315, 107680, 121140, 125178, 161520, 166904, 187767, 193824, 208630, 242280, 250356, 312945, 323040, 333808, 375534, 417260, 484560, 500712, 625890, 667616, 751068, 834520, 938835, 969120, 1001424, 1251780, 1502136, 1669040, 1877670, 2002848, 2503560, 3004272, 3338080, 3755340, 5007120, 6008544, 7510680, 10014240, 15021360, 30042720]

約数ペア:

[(1, 30042720), (2, 15021360), (3, 10014240), (4, 7510680), (5, 6008544), (6, 5007120), (8, 3755340), (9, 3338080), (10, 3004272), (12, 2503560), (15, 2002848), (16, 1877670), (18, 1669040), (20, 1502136), (24, 1251780), (30, 1001424), (31, 969120), (32, 938835), (36, 834520), (40, 751068), (45, 667616), (48, 625890), (60, 500712), (62, 484560), (72, 417260), (80, 375534), (90, 333808), (93, 323040), (96, 312945), (120, 250356), (124, 242280), (144, 208630), (155, 193824), (160, 187767), (180, 166904), (186, 161520), (240, 125178), (248, 121140), (279, 107680), (288, 104315), (310, 96912), (360, 83452), (372, 80760), (465, 64608), (480, 62589), (496, 60570), (558, 53840), (620, 48456), (673, 44640), (720, 41726), (744, 40380), (930, 32304), (992, 30285), (1116, 26920), (1240, 24228), (1346, 22320), (1395, 21536), (1440, 20863), (1488, 20190), (1860, 16152), (2019, 14880), (2232, 13460), (2480, 12114), (2692, 11160), (2790, 10768), (2976, 10095), (3365, 8928), (3720, 8076), (4038, 7440), (4464, 6730), (4960, 6057), (5384, 5580)]