644465920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4231}}^1$

素因数の和:4276

約数の個数: 144

約数和(自身を含む): 1868444928

約数和(自身を除く): 1223979008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1280, 1360, 1792, 1904, 2176, 2240, 2380, 2720, 3808, 4231, 4352, 4480, 4760, 5440, 7616, 8462, 8960, 9520, 10880, 15232, 16924, 19040, 21155, 21760, 29617, 30464, 33848, 38080, 42310, 59234, 67696, 71927, 76160, 84620, 118468, 135392, 143854, 148085, 152320, 169240, 236936, 270784, 287708, 296170, 338480, 359635, 473872, 503489, 541568, 575416, 592340, 676960, 719270, 947744, 1006978, 1083136, 1150832, 1184680, 1353920, 1438540, 1895488, 2013956, 2301664, 2369360, 2517445, 2707840, 2877080, 3790976, 4027912, 4603328, 4738720, 5034890, 5415680, 5754160, 7581952, 8055824, 9206656, 9477440, 10069780, 11508320, 16111648, 18413312, 18954880, 20139560, 23016640, 32223296, 37909760, 40279120, 46033280, 64446592, 80558240, 92066560, 128893184, 161116480, 322232960, 644465920]

約数ペア:

[(1, 644465920), (2, 322232960), (4, 161116480), (5, 128893184), (7, 92066560), (8, 80558240), (10, 64446592), (14, 46033280), (16, 40279120), (17, 37909760), (20, 32223296), (28, 23016640), (32, 20139560), (34, 18954880), (35, 18413312), (40, 16111648), (56, 11508320), (64, 10069780), (68, 9477440), (70, 9206656), (80, 8055824), (85, 7581952), (112, 5754160), (119, 5415680), (128, 5034890), (136, 4738720), (140, 4603328), (160, 4027912), (170, 3790976), (224, 2877080), (238, 2707840), (256, 2517445), (272, 2369360), (280, 2301664), (320, 2013956), (340, 1895488), (448, 1438540), (476, 1353920), (544, 1184680), (560, 1150832), (595, 1083136), (640, 1006978), (680, 947744), (896, 719270), (952, 676960), (1088, 592340), (1120, 575416), (1190, 541568), (1280, 503489), (1360, 473872), (1792, 359635), (1904, 338480), (2176, 296170), (2240, 287708), (2380, 270784), (2720, 236936), (3808, 169240), (4231, 152320), (4352, 148085), (4480, 143854), (4760, 135392), (5440, 118468), (7616, 84620), (8462, 76160), (8960, 71927), (9520, 67696), (10880, 59234), (15232, 42310), (16924, 38080), (19040, 33848), (21155, 30464), (21760, 29617)]