68808180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:478

約数の個数: 192

約数和(自身を含む): 243855360

約数和(自身を除く): 175047180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 23, 28, 30, 34, 35, 42, 46, 51, 60, 68, 69, 70, 84, 85, 92, 102, 105, 115, 119, 138, 140, 161, 170, 204, 210, 230, 238, 255, 276, 322, 340, 345, 357, 391, 419, 420, 460, 476, 483, 510, 595, 644, 690, 714, 782, 805, 838, 966, 1020, 1173, 1190, 1257, 1380, 1428, 1564, 1610, 1676, 1785, 1932, 1955, 2095, 2346, 2380, 2415, 2514, 2737, 2933, 3220, 3570, 3910, 4190, 4692, 4830, 5028, 5474, 5865, 5866, 6285, 7123, 7140, 7820, 8211, 8380, 8799, 9637, 9660, 10948, 11730, 11732, 12570, 13685, 14246, 14665, 16422, 17598, 19274, 21369, 23460, 25140, 27370, 28492, 28911, 29330, 32844, 35196, 35615, 38548, 41055, 42738, 43995, 48185, 49861, 54740, 57822, 58660, 67459, 71230, 82110, 85476, 87990, 96370, 99722, 106845, 115644, 134918, 142460, 144555, 149583, 163829, 164220, 175980, 192740, 199444, 202377, 213690, 249305, 269836, 289110, 299166, 327658, 337295, 404754, 427380, 491487, 498610, 578220, 598332, 655316, 674590, 747915, 809508, 819145, 982974, 997220, 1011885, 1146803, 1349180, 1495830, 1638290, 1965948, 2023770, 2293606, 2457435, 2991660, 3276580, 3440409, 4047540, 4587212, 4914870, 5734015, 6880818, 9829740, 11468030, 13761636, 17202045, 22936060, 34404090, 68808180]

約数ペア:

[(1, 68808180), (2, 34404090), (3, 22936060), (4, 17202045), (5, 13761636), (6, 11468030), (7, 9829740), (10, 6880818), (12, 5734015), (14, 4914870), (15, 4587212), (17, 4047540), (20, 3440409), (21, 3276580), (23, 2991660), (28, 2457435), (30, 2293606), (34, 2023770), (35, 1965948), (42, 1638290), (46, 1495830), (51, 1349180), (60, 1146803), (68, 1011885), (69, 997220), (70, 982974), (84, 819145), (85, 809508), (92, 747915), (102, 674590), (105, 655316), (115, 598332), (119, 578220), (138, 498610), (140, 491487), (161, 427380), (170, 404754), (204, 337295), (210, 327658), (230, 299166), (238, 289110), (255, 269836), (276, 249305), (322, 213690), (340, 202377), (345, 199444), (357, 192740), (391, 175980), (419, 164220), (420, 163829), (460, 149583), (476, 144555), (483, 142460), (510, 134918), (595, 115644), (644, 106845), (690, 99722), (714, 96370), (782, 87990), (805, 85476), (838, 82110), (966, 71230), (1020, 67459), (1173, 58660), (1190, 57822), (1257, 54740), (1380, 49861), (1428, 48185), (1564, 43995), (1610, 42738), (1676, 41055), (1785, 38548), (1932, 35615), (1955, 35196), (2095, 32844), (2346, 29330), (2380, 28911), (2415, 28492), (2514, 27370), (2737, 25140), (2933, 23460), (3220, 21369), (3570, 19274), (3910, 17598), (4190, 16422), (4692, 14665), (4830, 14246), (5028, 13685), (5474, 12570), (5865, 11732), (5866, 11730), (6285, 10948), (7123, 9660), (7140, 9637), (7820, 8799), (8211, 8380)]