321828080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:224

約数の個数: 240

約数和(自身を含む): 954180000

約数和(自身を除く): 632351920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 29, 35, 38, 40, 49, 56, 58, 70, 76, 80, 95, 98, 112, 116, 133, 140, 145, 149, 152, 190, 196, 203, 232, 245, 266, 280, 290, 298, 304, 380, 392, 406, 464, 490, 532, 551, 560, 580, 596, 665, 745, 760, 784, 812, 931, 980, 1015, 1043, 1064, 1102, 1160, 1192, 1330, 1421, 1490, 1520, 1624, 1862, 1960, 2030, 2086, 2128, 2204, 2320, 2384, 2660, 2755, 2831, 2842, 2980, 3248, 3724, 3857, 3920, 4060, 4172, 4321, 4408, 4655, 5215, 5320, 5510, 5662, 5684, 5960, 7105, 7301, 7448, 7714, 8120, 8344, 8642, 8816, 9310, 10430, 10640, 11020, 11324, 11368, 11920, 14155, 14210, 14602, 14896, 15428, 16240, 16688, 17284, 18620, 19285, 19817, 20860, 21605, 22040, 22648, 22736, 26999, 28310, 28420, 29204, 30247, 30856, 34568, 36505, 37240, 38570, 39634, 41720, 43210, 44080, 45296, 53998, 56620, 56840, 58408, 60494, 61712, 69136, 73010, 74480, 77140, 79268, 82099, 83440, 86420, 99085, 107996, 113240, 113680, 116816, 120988, 134995, 138719, 146020, 151235, 154280, 158536, 164198, 172840, 198170, 211729, 215992, 226480, 241976, 269990, 277438, 292040, 302470, 308560, 317072, 328396, 345680, 396340, 410495, 423458, 431984, 483952, 539980, 554876, 574693, 584080, 604940, 656792, 693595, 792680, 820990, 846916, 1058645, 1079960, 1109752, 1149386, 1209880, 1313584, 1387190, 1585360, 1641980, 1693832, 2117290, 2159920, 2219504, 2298772, 2419760, 2774380, 2873465, 3283960, 3387664, 4022851, 4234580, 4597544, 5548760, 5746930, 6567920, 8045702, 8469160, 9195088, 11097520, 11493860, 16091404, 16938320, 20114255, 22987720, 32182808, 40228510, 45975440, 64365616, 80457020, 160914040, 321828080]

約数ペア:

[(1, 321828080), (2, 160914040), (4, 80457020), (5, 64365616), (7, 45975440), (8, 40228510), (10, 32182808), (14, 22987720), (16, 20114255), (19, 16938320), (20, 16091404), (28, 11493860), (29, 11097520), (35, 9195088), (38, 8469160), (40, 8045702), (49, 6567920), (56, 5746930), (58, 5548760), (70, 4597544), (76, 4234580), (80, 4022851), (95, 3387664), (98, 3283960), (112, 2873465), (116, 2774380), (133, 2419760), (140, 2298772), (145, 2219504), (149, 2159920), (152, 2117290), (190, 1693832), (196, 1641980), (203, 1585360), (232, 1387190), (245, 1313584), (266, 1209880), (280, 1149386), (290, 1109752), (298, 1079960), (304, 1058645), (380, 846916), (392, 820990), (406, 792680), (464, 693595), (490, 656792), (532, 604940), (551, 584080), (560, 574693), (580, 554876), (596, 539980), (665, 483952), (745, 431984), (760, 423458), (784, 410495), (812, 396340), (931, 345680), (980, 328396), (1015, 317072), (1043, 308560), (1064, 302470), (1102, 292040), (1160, 277438), (1192, 269990), (1330, 241976), (1421, 226480), (1490, 215992), (1520, 211729), (1624, 198170), (1862, 172840), (1960, 164198), (2030, 158536), (2086, 154280), (2128, 151235), (2204, 146020), (2320, 138719), (2384, 134995), (2660, 120988), (2755, 116816), (2831, 113680), (2842, 113240), (2980, 107996), (3248, 99085), (3724, 86420), (3857, 83440), (3920, 82099), (4060, 79268), (4172, 77140), (4321, 74480), (4408, 73010), (4655, 69136), (5215, 61712), (5320, 60494), (5510, 58408), (5662, 56840), (5684, 56620), (5960, 53998), (7105, 45296), (7301, 44080), (7448, 43210), (7714, 41720), (8120, 39634), (8344, 38570), (8642, 37240), (8816, 36505), (9310, 34568), (10430, 30856), (10640, 30247), (11020, 29204), (11324, 28420), (11368, 28310), (11920, 26999), (14155, 22736), (14210, 22648), (14602, 22040), (14896, 21605), (15428, 20860), (16240, 19817), (16688, 19285), (17284, 18620)]