68557320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:309

約数の個数: 256

約数和(自身を含む): 260064000

約数和(自身を除く): 191506680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 52, 54, 57, 60, 65, 72, 76, 78, 90, 95, 104, 108, 114, 117, 120, 130, 135, 152, 156, 171, 180, 190, 195, 216, 228, 234, 247, 257, 260, 270, 285, 312, 342, 351, 360, 380, 390, 456, 468, 494, 513, 514, 520, 540, 570, 585, 684, 702, 741, 760, 771, 780, 855, 936, 988, 1026, 1028, 1080, 1140, 1170, 1235, 1285, 1368, 1404, 1482, 1542, 1560, 1710, 1755, 1976, 2052, 2056, 2223, 2280, 2313, 2340, 2470, 2565, 2570, 2808, 2964, 3084, 3341, 3420, 3510, 3705, 3855, 4104, 4446, 4626, 4680, 4883, 4940, 5130, 5140, 5928, 6168, 6669, 6682, 6840, 6939, 7020, 7410, 7710, 8892, 9252, 9766, 9880, 10023, 10260, 10280, 11115, 11565, 13338, 13364, 13878, 14040, 14649, 14820, 15420, 16705, 17784, 18504, 19532, 20046, 20520, 22230, 23130, 24415, 26676, 26728, 27756, 29298, 29640, 30069, 30840, 33345, 33410, 34695, 39064, 40092, 43947, 44460, 46260, 48830, 50115, 53352, 55512, 58596, 60138, 63479, 66690, 66820, 69390, 73245, 80184, 87894, 88920, 90207, 92520, 97660, 100230, 117192, 120276, 126958, 131841, 133380, 133640, 138780, 146490, 150345, 175788, 180414, 190437, 195320, 200460, 219735, 240552, 253916, 263682, 266760, 277560, 292980, 300690, 317395, 351576, 360828, 380874, 400920, 439470, 451035, 507832, 527364, 571311, 585960, 601380, 634790, 659205, 721656, 761748, 878940, 902070, 952185, 1054728, 1142622, 1202760, 1269580, 1318410, 1523496, 1713933, 1757880, 1804140, 1904370, 2285244, 2539160, 2636820, 2856555, 3427866, 3608280, 3808740, 4570488, 5273640, 5713110, 6855732, 7617480, 8569665, 11426220, 13711464, 17139330, 22852440, 34278660, 68557320]

約数ペア:

[(1, 68557320), (2, 34278660), (3, 22852440), (4, 17139330), (5, 13711464), (6, 11426220), (8, 8569665), (9, 7617480), (10, 6855732), (12, 5713110), (13, 5273640), (15, 4570488), (18, 3808740), (19, 3608280), (20, 3427866), (24, 2856555), (26, 2636820), (27, 2539160), (30, 2285244), (36, 1904370), (38, 1804140), (39, 1757880), (40, 1713933), (45, 1523496), (52, 1318410), (54, 1269580), (57, 1202760), (60, 1142622), (65, 1054728), (72, 952185), (76, 902070), (78, 878940), (90, 761748), (95, 721656), (104, 659205), (108, 634790), (114, 601380), (117, 585960), (120, 571311), (130, 527364), (135, 507832), (152, 451035), (156, 439470), (171, 400920), (180, 380874), (190, 360828), (195, 351576), (216, 317395), (228, 300690), (234, 292980), (247, 277560), (257, 266760), (260, 263682), (270, 253916), (285, 240552), (312, 219735), (342, 200460), (351, 195320), (360, 190437), (380, 180414), (390, 175788), (456, 150345), (468, 146490), (494, 138780), (513, 133640), (514, 133380), (520, 131841), (540, 126958), (570, 120276), (585, 117192), (684, 100230), (702, 97660), (741, 92520), (760, 90207), (771, 88920), (780, 87894), (855, 80184), (936, 73245), (988, 69390), (1026, 66820), (1028, 66690), (1080, 63479), (1140, 60138), (1170, 58596), (1235, 55512), (1285, 53352), (1368, 50115), (1404, 48830), (1482, 46260), (1542, 44460), (1560, 43947), (1710, 40092), (1755, 39064), (1976, 34695), (2052, 33410), (2056, 33345), (2223, 30840), (2280, 30069), (2313, 29640), (2340, 29298), (2470, 27756), (2565, 26728), (2570, 26676), (2808, 24415), (2964, 23130), (3084, 22230), (3341, 20520), (3420, 20046), (3510, 19532), (3705, 18504), (3855, 17784), (4104, 16705), (4446, 15420), (4626, 14820), (4680, 14649), (4883, 14040), (4940, 13878), (5130, 13364), (5140, 13338), (5928, 11565), (6168, 11115), (6669, 10280), (6682, 10260), (6840, 10023), (6939, 9880), (7020, 9766), (7410, 9252), (7710, 8892)]