628382720

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:318

約数の個数: 176

約数和(自身を含む): 1750921920

約数和(自身を除く): 1122539200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 128, 140, 160, 178, 197, 224, 256, 280, 320, 356, 394, 445, 448, 512, 560, 623, 640, 712, 788, 890, 896, 985, 1024, 1120, 1246, 1280, 1379, 1424, 1576, 1780, 1792, 1970, 2240, 2492, 2560, 2758, 2848, 3115, 3152, 3560, 3584, 3940, 4480, 4984, 5120, 5516, 5696, 6230, 6304, 6895, 7120, 7168, 7880, 8960, 9968, 11032, 11392, 12460, 12608, 13790, 14240, 15760, 17533, 17920, 19936, 22064, 22784, 24920, 25216, 27580, 28480, 31520, 35066, 35840, 39872, 44128, 45568, 49840, 50432, 55160, 56960, 63040, 70132, 79744, 87665, 88256, 91136, 99680, 100864, 110320, 113920, 122731, 126080, 140264, 159488, 175330, 176512, 199360, 201728, 220640, 227840, 245462, 252160, 280528, 318976, 350660, 353024, 398720, 441280, 455680, 490924, 504320, 561056, 613655, 637952, 701320, 706048, 797440, 882560, 981848, 1008640, 1122112, 1227310, 1402640, 1412096, 1594880, 1765120, 1963696, 2244224, 2454620, 2805280, 3189760, 3530240, 3927392, 4488448, 4909240, 5610560, 7060480, 7854784, 8976896, 9818480, 11221120, 15709568, 17953792, 19636960, 22442240, 31419136, 39273920, 44884480, 62838272, 78547840, 89768960, 125676544, 157095680, 314191360, 628382720]

約数ペア:

[(1, 628382720), (2, 314191360), (4, 157095680), (5, 125676544), (7, 89768960), (8, 78547840), (10, 62838272), (14, 44884480), (16, 39273920), (20, 31419136), (28, 22442240), (32, 19636960), (35, 17953792), (40, 15709568), (56, 11221120), (64, 9818480), (70, 8976896), (80, 7854784), (89, 7060480), (112, 5610560), (128, 4909240), (140, 4488448), (160, 3927392), (178, 3530240), (197, 3189760), (224, 2805280), (256, 2454620), (280, 2244224), (320, 1963696), (356, 1765120), (394, 1594880), (445, 1412096), (448, 1402640), (512, 1227310), (560, 1122112), (623, 1008640), (640, 981848), (712, 882560), (788, 797440), (890, 706048), (896, 701320), (985, 637952), (1024, 613655), (1120, 561056), (1246, 504320), (1280, 490924), (1379, 455680), (1424, 441280), (1576, 398720), (1780, 353024), (1792, 350660), (1970, 318976), (2240, 280528), (2492, 252160), (2560, 245462), (2758, 227840), (2848, 220640), (3115, 201728), (3152, 199360), (3560, 176512), (3584, 175330), (3940, 159488), (4480, 140264), (4984, 126080), (5120, 122731), (5516, 113920), (5696, 110320), (6230, 100864), (6304, 99680), (6895, 91136), (7120, 88256), (7168, 87665), (7880, 79744), (8960, 70132), (9968, 63040), (11032, 56960), (11392, 55160), (12460, 50432), (12608, 49840), (13790, 45568), (14240, 44128), (15760, 39872), (17533, 35840), (17920, 35066), (19936, 31520), (22064, 28480), (22784, 27580), (24920, 25216)]