261570560

素因数分解:

$2^{14}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:167

約数の個数: 120

約数和(自身を含む): 654291456

約数和(自身を除く): 392720896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 103, 124, 128, 155, 160, 206, 248, 256, 310, 320, 412, 496, 512, 515, 620, 640, 824, 992, 1024, 1030, 1240, 1280, 1648, 1984, 2048, 2060, 2480, 2560, 3193, 3296, 3968, 4096, 4120, 4960, 5120, 6386, 6592, 7936, 8192, 8240, 9920, 10240, 12772, 13184, 15872, 15965, 16384, 16480, 19840, 20480, 25544, 26368, 31744, 31930, 32960, 39680, 40960, 51088, 52736, 63488, 63860, 65920, 79360, 81920, 102176, 105472, 126976, 127720, 131840, 158720, 204352, 210944, 253952, 255440, 263680, 317440, 408704, 421888, 507904, 510880, 527360, 634880, 817408, 843776, 1021760, 1054720, 1269760, 1634816, 1687552, 2043520, 2109440, 2539520, 3269632, 4087040, 4218880, 6539264, 8174080, 8437760, 13078528, 16348160, 26157056, 32696320, 52314112, 65392640, 130785280, 261570560]

約数ペア:

[(1, 261570560), (2, 130785280), (4, 65392640), (5, 52314112), (8, 32696320), (10, 26157056), (16, 16348160), (20, 13078528), (31, 8437760), (32, 8174080), (40, 6539264), (62, 4218880), (64, 4087040), (80, 3269632), (103, 2539520), (124, 2109440), (128, 2043520), (155, 1687552), (160, 1634816), (206, 1269760), (248, 1054720), (256, 1021760), (310, 843776), (320, 817408), (412, 634880), (496, 527360), (512, 510880), (515, 507904), (620, 421888), (640, 408704), (824, 317440), (992, 263680), (1024, 255440), (1030, 253952), (1240, 210944), (1280, 204352), (1648, 158720), (1984, 131840), (2048, 127720), (2060, 126976), (2480, 105472), (2560, 102176), (3193, 81920), (3296, 79360), (3968, 65920), (4096, 63860), (4120, 63488), (4960, 52736), (5120, 51088), (6386, 40960), (6592, 39680), (7936, 32960), (8192, 31930), (8240, 31744), (9920, 26368), (10240, 25544), (12772, 20480), (13184, 19840), (15872, 16480), (15965, 16384)]