80389680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:571

約数の個数: 160

約数和(自身を含む): 288076800

約数和(自身を除く): 207687120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 109, 112, 120, 140, 168, 210, 218, 240, 280, 327, 336, 420, 436, 439, 545, 560, 654, 763, 840, 872, 878, 1090, 1308, 1317, 1526, 1635, 1680, 1744, 1756, 2180, 2195, 2289, 2616, 2634, 3052, 3073, 3270, 3512, 3815, 4360, 4390, 4578, 5232, 5268, 6104, 6146, 6540, 6585, 7024, 7630, 8720, 8780, 9156, 9219, 10536, 11445, 12208, 12292, 13080, 13170, 15260, 15365, 17560, 18312, 18438, 21072, 22890, 24584, 26160, 26340, 30520, 30730, 35120, 36624, 36876, 45780, 46095, 47851, 49168, 52680, 61040, 61460, 73752, 91560, 92190, 95702, 105360, 122920, 143553, 147504, 183120, 184380, 191404, 239255, 245840, 287106, 334957, 368760, 382808, 478510, 574212, 669914, 717765, 737520, 765616, 957020, 1004871, 1148424, 1339828, 1435530, 1674785, 1914040, 2009742, 2296848, 2679656, 2871060, 3349570, 3828080, 4019484, 5024355, 5359312, 5742120, 6699140, 8038968, 10048710, 11484240, 13398280, 16077936, 20097420, 26796560, 40194840, 80389680]

約数ペア:

[(1, 80389680), (2, 40194840), (3, 26796560), (4, 20097420), (5, 16077936), (6, 13398280), (7, 11484240), (8, 10048710), (10, 8038968), (12, 6699140), (14, 5742120), (15, 5359312), (16, 5024355), (20, 4019484), (21, 3828080), (24, 3349570), (28, 2871060), (30, 2679656), (35, 2296848), (40, 2009742), (42, 1914040), (48, 1674785), (56, 1435530), (60, 1339828), (70, 1148424), (80, 1004871), (84, 957020), (105, 765616), (109, 737520), (112, 717765), (120, 669914), (140, 574212), (168, 478510), (210, 382808), (218, 368760), (240, 334957), (280, 287106), (327, 245840), (336, 239255), (420, 191404), (436, 184380), (439, 183120), (545, 147504), (560, 143553), (654, 122920), (763, 105360), (840, 95702), (872, 92190), (878, 91560), (1090, 73752), (1308, 61460), (1317, 61040), (1526, 52680), (1635, 49168), (1680, 47851), (1744, 46095), (1756, 45780), (2180, 36876), (2195, 36624), (2289, 35120), (2616, 30730), (2634, 30520), (3052, 26340), (3073, 26160), (3270, 24584), (3512, 22890), (3815, 21072), (4360, 18438), (4390, 18312), (4578, 17560), (5232, 15365), (5268, 15260), (6104, 13170), (6146, 13080), (6540, 12292), (6585, 12208), (7024, 11445), (7630, 10536), (8720, 9219), (8780, 9156)]