728737280

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 160

約数和(自身を含む): 1837569888

約数和(自身を除く): 1108832608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 53, 64, 80, 82, 106, 128, 131, 160, 164, 205, 212, 256, 262, 265, 320, 328, 410, 424, 512, 524, 530, 640, 655, 656, 820, 848, 1048, 1060, 1280, 1310, 1312, 1640, 1696, 2096, 2120, 2173, 2560, 2620, 2624, 3280, 3392, 4192, 4240, 4346, 5240, 5248, 5371, 6560, 6784, 6943, 8384, 8480, 8692, 10480, 10496, 10742, 10865, 13120, 13568, 13886, 16768, 16960, 17384, 20960, 20992, 21484, 21730, 26240, 26855, 27136, 27772, 33536, 33920, 34715, 34768, 41920, 42968, 43460, 52480, 53710, 55544, 67072, 67840, 69430, 69536, 83840, 85936, 86920, 104960, 107420, 111088, 135680, 138860, 139072, 167680, 171872, 173840, 214840, 222176, 277720, 278144, 284663, 335360, 343744, 347680, 429680, 444352, 555440, 556288, 569326, 687488, 695360, 859360, 888704, 1110880, 1112576, 1138652, 1374976, 1390720, 1423315, 1718720, 1777408, 2221760, 2277304, 2749952, 2781440, 2846630, 3437440, 3554816, 4443520, 4554608, 5562880, 5693260, 6874880, 8887040, 9109216, 11386520, 13749760, 17774080, 18218432, 22773040, 36436864, 45546080, 72873728, 91092160, 145747456, 182184320, 364368640, 728737280]

約数ペア:

[(1, 728737280), (2, 364368640), (4, 182184320), (5, 145747456), (8, 91092160), (10, 72873728), (16, 45546080), (20, 36436864), (32, 22773040), (40, 18218432), (41, 17774080), (53, 13749760), (64, 11386520), (80, 9109216), (82, 8887040), (106, 6874880), (128, 5693260), (131, 5562880), (160, 4554608), (164, 4443520), (205, 3554816), (212, 3437440), (256, 2846630), (262, 2781440), (265, 2749952), (320, 2277304), (328, 2221760), (410, 1777408), (424, 1718720), (512, 1423315), (524, 1390720), (530, 1374976), (640, 1138652), (655, 1112576), (656, 1110880), (820, 888704), (848, 859360), (1048, 695360), (1060, 687488), (1280, 569326), (1310, 556288), (1312, 555440), (1640, 444352), (1696, 429680), (2096, 347680), (2120, 343744), (2173, 335360), (2560, 284663), (2620, 278144), (2624, 277720), (3280, 222176), (3392, 214840), (4192, 173840), (4240, 171872), (4346, 167680), (5240, 139072), (5248, 138860), (5371, 135680), (6560, 111088), (6784, 107420), (6943, 104960), (8384, 86920), (8480, 85936), (8692, 83840), (10480, 69536), (10496, 69430), (10742, 67840), (10865, 67072), (13120, 55544), (13568, 53710), (13886, 52480), (16768, 43460), (16960, 42968), (17384, 41920), (20960, 34768), (20992, 34715), (21484, 33920), (21730, 33536), (26240, 27772), (26855, 27136)]