68608540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 192

約数和(自身を含む): 203212800

約数和(自身を除く): 134604260

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 23, 26, 28, 35, 44, 46, 52, 55, 65, 70, 77, 91, 92, 110, 115, 130, 140, 143, 149, 154, 161, 182, 220, 230, 253, 260, 286, 298, 299, 308, 322, 364, 385, 455, 460, 506, 572, 596, 598, 644, 715, 745, 770, 805, 910, 1001, 1012, 1043, 1196, 1265, 1430, 1490, 1495, 1540, 1610, 1639, 1771, 1820, 1937, 2002, 2086, 2093, 2530, 2860, 2980, 2990, 3220, 3278, 3289, 3427, 3542, 3874, 4004, 4172, 4186, 5005, 5060, 5215, 5980, 6556, 6578, 6854, 7084, 7748, 8195, 8372, 8855, 9685, 10010, 10430, 10465, 11473, 13156, 13559, 13708, 16390, 16445, 17135, 17710, 19370, 20020, 20860, 20930, 21307, 22946, 23023, 23989, 27118, 32780, 32890, 34270, 35420, 37697, 38740, 41860, 42614, 44551, 45892, 46046, 47978, 54236, 57365, 65780, 67795, 68540, 75394, 85228, 89102, 92092, 95956, 106535, 114730, 115115, 119945, 135590, 149149, 150788, 178204, 188485, 213070, 222755, 229460, 230230, 239890, 263879, 271180, 298298, 311857, 376970, 426140, 445510, 460460, 479780, 490061, 527758, 596596, 623714, 745745, 753940, 891020, 980122, 1055516, 1247428, 1319395, 1491490, 1559285, 1960244, 2450305, 2638790, 2982980, 3118570, 3430427, 4900610, 5277580, 6237140, 6860854, 9801220, 13721708, 17152135, 34304270, 68608540]

約数ペア:

[(1, 68608540), (2, 34304270), (4, 17152135), (5, 13721708), (7, 9801220), (10, 6860854), (11, 6237140), (13, 5277580), (14, 4900610), (20, 3430427), (22, 3118570), (23, 2982980), (26, 2638790), (28, 2450305), (35, 1960244), (44, 1559285), (46, 1491490), (52, 1319395), (55, 1247428), (65, 1055516), (70, 980122), (77, 891020), (91, 753940), (92, 745745), (110, 623714), (115, 596596), (130, 527758), (140, 490061), (143, 479780), (149, 460460), (154, 445510), (161, 426140), (182, 376970), (220, 311857), (230, 298298), (253, 271180), (260, 263879), (286, 239890), (298, 230230), (299, 229460), (308, 222755), (322, 213070), (364, 188485), (385, 178204), (455, 150788), (460, 149149), (506, 135590), (572, 119945), (596, 115115), (598, 114730), (644, 106535), (715, 95956), (745, 92092), (770, 89102), (805, 85228), (910, 75394), (1001, 68540), (1012, 67795), (1043, 65780), (1196, 57365), (1265, 54236), (1430, 47978), (1490, 46046), (1495, 45892), (1540, 44551), (1610, 42614), (1639, 41860), (1771, 38740), (1820, 37697), (1937, 35420), (2002, 34270), (2086, 32890), (2093, 32780), (2530, 27118), (2860, 23989), (2980, 23023), (2990, 22946), (3220, 21307), (3278, 20930), (3289, 20860), (3427, 20020), (3542, 19370), (3874, 17710), (4004, 17135), (4172, 16445), (4186, 16390), (5005, 13708), (5060, 13559), (5215, 13156), (5980, 11473), (6556, 10465), (6578, 10430), (6854, 10010), (7084, 9685), (7748, 8855), (8195, 8372)]