81843120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1601}}^1$

素因数の和:1691

約数の個数: 120

約数和(自身を含む): 278901792

約数和(自身を除く): 197058672

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1601, 1704, 2130, 2556, 2840, 3195, 3202, 3408, 4260, 4803, 5112, 5680, 6390, 6404, 8005, 8520, 9606, 10224, 12780, 12808, 14409, 16010, 17040, 19212, 24015, 25560, 25616, 28818, 32020, 38424, 48030, 51120, 57636, 64040, 72045, 76848, 96060, 113671, 115272, 128080, 144090, 192120, 227342, 230544, 288180, 341013, 384240, 454684, 568355, 576360, 682026, 909368, 1023039, 1136710, 1152720, 1364052, 1705065, 1818736, 2046078, 2273420, 2728104, 3410130, 4092156, 4546840, 5115195, 5456208, 6820260, 8184312, 9093680, 10230390, 13640520, 16368624, 20460780, 27281040, 40921560, 81843120]

約数ペア:

[(1, 81843120), (2, 40921560), (3, 27281040), (4, 20460780), (5, 16368624), (6, 13640520), (8, 10230390), (9, 9093680), (10, 8184312), (12, 6820260), (15, 5456208), (16, 5115195), (18, 4546840), (20, 4092156), (24, 3410130), (30, 2728104), (36, 2273420), (40, 2046078), (45, 1818736), (48, 1705065), (60, 1364052), (71, 1152720), (72, 1136710), (80, 1023039), (90, 909368), (120, 682026), (142, 576360), (144, 568355), (180, 454684), (213, 384240), (240, 341013), (284, 288180), (355, 230544), (360, 227342), (426, 192120), (568, 144090), (639, 128080), (710, 115272), (720, 113671), (852, 96060), (1065, 76848), (1136, 72045), (1278, 64040), (1420, 57636), (1601, 51120), (1704, 48030), (2130, 38424), (2556, 32020), (2840, 28818), (3195, 25616), (3202, 25560), (3408, 24015), (4260, 19212), (4803, 17040), (5112, 16010), (5680, 14409), (6390, 12808), (6404, 12780), (8005, 10224), (8520, 9606)]