80728620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 192

約数和(自身を含む): 275982336

約数和(自身を除く): 195253716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 61, 69, 70, 84, 92, 105, 115, 122, 137, 138, 140, 161, 183, 210, 230, 244, 274, 276, 305, 322, 345, 366, 411, 420, 427, 460, 483, 548, 610, 644, 685, 690, 732, 805, 822, 854, 915, 959, 966, 1220, 1281, 1370, 1380, 1403, 1610, 1644, 1708, 1830, 1918, 1932, 2055, 2135, 2415, 2562, 2740, 2806, 2877, 3151, 3220, 3660, 3836, 4110, 4209, 4270, 4795, 4830, 5124, 5612, 5754, 6302, 6405, 7015, 8220, 8357, 8418, 8540, 9453, 9590, 9660, 9821, 11508, 12604, 12810, 14030, 14385, 15755, 16714, 16836, 18906, 19180, 19642, 21045, 22057, 25071, 25620, 28060, 28770, 29463, 31510, 33428, 37812, 39284, 41785, 42090, 44114, 47265, 49105, 50142, 57540, 58499, 58926, 63020, 66171, 83570, 84180, 88228, 94530, 98210, 100284, 110285, 116998, 117852, 125355, 132342, 147315, 167140, 175497, 189060, 192211, 196420, 220570, 233996, 250710, 264684, 292495, 294630, 330855, 350994, 384422, 441140, 501420, 576633, 584990, 589260, 661710, 701988, 768844, 877485, 961055, 1153266, 1169980, 1323420, 1345477, 1754970, 1922110, 2306532, 2690954, 2883165, 3509940, 3844220, 4036431, 5381908, 5766330, 6727385, 8072862, 11532660, 13454770, 16145724, 20182155, 26909540, 40364310, 80728620]

約数ペア:

[(1, 80728620), (2, 40364310), (3, 26909540), (4, 20182155), (5, 16145724), (6, 13454770), (7, 11532660), (10, 8072862), (12, 6727385), (14, 5766330), (15, 5381908), (20, 4036431), (21, 3844220), (23, 3509940), (28, 2883165), (30, 2690954), (35, 2306532), (42, 1922110), (46, 1754970), (60, 1345477), (61, 1323420), (69, 1169980), (70, 1153266), (84, 961055), (92, 877485), (105, 768844), (115, 701988), (122, 661710), (137, 589260), (138, 584990), (140, 576633), (161, 501420), (183, 441140), (210, 384422), (230, 350994), (244, 330855), (274, 294630), (276, 292495), (305, 264684), (322, 250710), (345, 233996), (366, 220570), (411, 196420), (420, 192211), (427, 189060), (460, 175497), (483, 167140), (548, 147315), (610, 132342), (644, 125355), (685, 117852), (690, 116998), (732, 110285), (805, 100284), (822, 98210), (854, 94530), (915, 88228), (959, 84180), (966, 83570), (1220, 66171), (1281, 63020), (1370, 58926), (1380, 58499), (1403, 57540), (1610, 50142), (1644, 49105), (1708, 47265), (1830, 44114), (1918, 42090), (1932, 41785), (2055, 39284), (2135, 37812), (2415, 33428), (2562, 31510), (2740, 29463), (2806, 28770), (2877, 28060), (3151, 25620), (3220, 25071), (3660, 22057), (3836, 21045), (4110, 19642), (4209, 19180), (4270, 18906), (4795, 16836), (4830, 16714), (5124, 15755), (5612, 14385), (5754, 14030), (6302, 12810), (6405, 12604), (7015, 11508), (8220, 9821), (8357, 9660), (8418, 9590), (8540, 9453)]