248543120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:293

約数の個数: 160

約数和(自身を含む): 693288960

約数和(自身を除く): 444745840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 103, 112, 124, 139, 140, 155, 206, 217, 248, 278, 280, 310, 412, 434, 496, 515, 556, 560, 620, 695, 721, 824, 868, 973, 1030, 1085, 1112, 1240, 1390, 1442, 1648, 1736, 1946, 2060, 2170, 2224, 2480, 2780, 2884, 3193, 3472, 3605, 3892, 4120, 4309, 4340, 4865, 5560, 5768, 6386, 7210, 7784, 8240, 8618, 8680, 9730, 11120, 11536, 12772, 14317, 14420, 15568, 15965, 17236, 17360, 19460, 21545, 22351, 25544, 28634, 28840, 30163, 31930, 34472, 38920, 43090, 44702, 51088, 57268, 57680, 60326, 63860, 68944, 71585, 77840, 86180, 89404, 100219, 111755, 114536, 120652, 127720, 143170, 150815, 172360, 178808, 200438, 223510, 229072, 241304, 255440, 286340, 301630, 344720, 357616, 400876, 443827, 447020, 482608, 501095, 572680, 603260, 801752, 887654, 894040, 1002190, 1145360, 1206520, 1603504, 1775308, 1788080, 2004380, 2219135, 2413040, 3106789, 3550616, 4008760, 4438270, 6213578, 7101232, 8017520, 8876540, 12427156, 15533945, 17753080, 24854312, 31067890, 35506160, 49708624, 62135780, 124271560, 248543120]

約数ペア:

[(1, 248543120), (2, 124271560), (4, 62135780), (5, 49708624), (7, 35506160), (8, 31067890), (10, 24854312), (14, 17753080), (16, 15533945), (20, 12427156), (28, 8876540), (31, 8017520), (35, 7101232), (40, 6213578), (56, 4438270), (62, 4008760), (70, 3550616), (80, 3106789), (103, 2413040), (112, 2219135), (124, 2004380), (139, 1788080), (140, 1775308), (155, 1603504), (206, 1206520), (217, 1145360), (248, 1002190), (278, 894040), (280, 887654), (310, 801752), (412, 603260), (434, 572680), (496, 501095), (515, 482608), (556, 447020), (560, 443827), (620, 400876), (695, 357616), (721, 344720), (824, 301630), (868, 286340), (973, 255440), (1030, 241304), (1085, 229072), (1112, 223510), (1240, 200438), (1390, 178808), (1442, 172360), (1648, 150815), (1736, 143170), (1946, 127720), (2060, 120652), (2170, 114536), (2224, 111755), (2480, 100219), (2780, 89404), (2884, 86180), (3193, 77840), (3472, 71585), (3605, 68944), (3892, 63860), (4120, 60326), (4309, 57680), (4340, 57268), (4865, 51088), (5560, 44702), (5768, 43090), (6386, 38920), (7210, 34472), (7784, 31930), (8240, 30163), (8618, 28840), (8680, 28634), (9730, 25544), (11120, 22351), (11536, 21545), (12772, 19460), (14317, 17360), (14420, 17236), (15568, 15965)]