52920320

素因数分解:

$2^{15}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 128

約数和(自身を含む): 141555600

約数和(自身を除く): 88635280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 256, 272, 304, 320, 323, 340, 380, 512, 544, 608, 640, 646, 680, 760, 1024, 1088, 1216, 1280, 1292, 1360, 1520, 1615, 2048, 2176, 2432, 2560, 2584, 2720, 3040, 3230, 4096, 4352, 4864, 5120, 5168, 5440, 6080, 6460, 8192, 8704, 9728, 10240, 10336, 10880, 12160, 12920, 16384, 17408, 19456, 20480, 20672, 21760, 24320, 25840, 32768, 34816, 38912, 40960, 41344, 43520, 48640, 51680, 69632, 77824, 81920, 82688, 87040, 97280, 103360, 139264, 155648, 163840, 165376, 174080, 194560, 206720, 278528, 311296, 330752, 348160, 389120, 413440, 557056, 622592, 661504, 696320, 778240, 826880, 1323008, 1392640, 1556480, 1653760, 2646016, 2785280, 3112960, 3307520, 5292032, 6615040, 10584064, 13230080, 26460160, 52920320]

約数ペア:

[(1, 52920320), (2, 26460160), (4, 13230080), (5, 10584064), (8, 6615040), (10, 5292032), (16, 3307520), (17, 3112960), (19, 2785280), (20, 2646016), (32, 1653760), (34, 1556480), (38, 1392640), (40, 1323008), (64, 826880), (68, 778240), (76, 696320), (80, 661504), (85, 622592), (95, 557056), (128, 413440), (136, 389120), (152, 348160), (160, 330752), (170, 311296), (190, 278528), (256, 206720), (272, 194560), (304, 174080), (320, 165376), (323, 163840), (340, 155648), (380, 139264), (512, 103360), (544, 97280), (608, 87040), (640, 82688), (646, 81920), (680, 77824), (760, 69632), (1024, 51680), (1088, 48640), (1216, 43520), (1280, 41344), (1292, 40960), (1360, 38912), (1520, 34816), (1615, 32768), (2048, 25840), (2176, 24320), (2432, 21760), (2560, 20672), (2584, 20480), (2720, 19456), (3040, 17408), (3230, 16384), (4096, 12920), (4352, 12160), (4864, 10880), (5120, 10336), (5168, 10240), (5440, 9728), (6080, 8704), (6460, 8192)]