901980160

素因数分解:

$2^{13}\times 5^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 168

約数和(自身を含む): 2321995356

約数和(自身を除く): 1420015196

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 61, 64, 76, 80, 95, 122, 128, 152, 160, 190, 244, 256, 304, 305, 320, 361, 380, 488, 512, 608, 610, 640, 722, 760, 976, 1024, 1159, 1216, 1220, 1280, 1444, 1520, 1805, 1952, 2048, 2318, 2432, 2440, 2560, 2888, 3040, 3610, 3904, 4096, 4636, 4864, 4880, 5120, 5776, 5795, 6080, 7220, 7808, 8192, 9272, 9728, 9760, 10240, 11552, 11590, 12160, 14440, 15616, 18544, 19456, 19520, 20480, 22021, 23104, 23180, 24320, 28880, 31232, 37088, 38912, 39040, 40960, 44042, 46208, 46360, 48640, 57760, 62464, 74176, 77824, 78080, 88084, 92416, 92720, 97280, 110105, 115520, 124928, 148352, 155648, 156160, 176168, 184832, 185440, 194560, 220210, 231040, 249856, 296704, 312320, 352336, 369664, 370880, 389120, 440420, 462080, 499712, 593408, 624640, 704672, 739328, 741760, 778240, 880840, 924160, 1186816, 1249280, 1409344, 1478656, 1483520, 1761680, 1848320, 2373632, 2498560, 2818688, 2957312, 2967040, 3523360, 3696640, 4747264, 5637376, 5934080, 7046720, 7393280, 9494528, 11274752, 11868160, 14093440, 14786560, 22549504, 23736320, 28186880, 45099008, 47472640, 56373760, 90198016, 112747520, 180396032, 225495040, 450990080, 901980160]

約数ペア:

[(1, 901980160), (2, 450990080), (4, 225495040), (5, 180396032), (8, 112747520), (10, 90198016), (16, 56373760), (19, 47472640), (20, 45099008), (32, 28186880), (38, 23736320), (40, 22549504), (61, 14786560), (64, 14093440), (76, 11868160), (80, 11274752), (95, 9494528), (122, 7393280), (128, 7046720), (152, 5934080), (160, 5637376), (190, 4747264), (244, 3696640), (256, 3523360), (304, 2967040), (305, 2957312), (320, 2818688), (361, 2498560), (380, 2373632), (488, 1848320), (512, 1761680), (608, 1483520), (610, 1478656), (640, 1409344), (722, 1249280), (760, 1186816), (976, 924160), (1024, 880840), (1159, 778240), (1216, 741760), (1220, 739328), (1280, 704672), (1444, 624640), (1520, 593408), (1805, 499712), (1952, 462080), (2048, 440420), (2318, 389120), (2432, 370880), (2440, 369664), (2560, 352336), (2888, 312320), (3040, 296704), (3610, 249856), (3904, 231040), (4096, 220210), (4636, 194560), (4864, 185440), (4880, 184832), (5120, 176168), (5776, 156160), (5795, 155648), (6080, 148352), (7220, 124928), (7808, 115520), (8192, 110105), (9272, 97280), (9728, 92720), (9760, 92416), (10240, 88084), (11552, 78080), (11590, 77824), (12160, 74176), (14440, 62464), (15616, 57760), (18544, 48640), (19456, 46360), (19520, 46208), (20480, 44042), (22021, 40960), (23104, 39040), (23180, 38912), (24320, 37088), (28880, 31232)]