71038720

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 188375040

約数和(自身を除く): 117336320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 127, 128, 152, 160, 184, 190, 230, 254, 256, 304, 320, 368, 380, 437, 460, 508, 608, 635, 640, 736, 760, 874, 920, 1016, 1216, 1270, 1280, 1472, 1520, 1748, 1840, 2032, 2185, 2413, 2432, 2540, 2921, 2944, 3040, 3496, 3680, 4064, 4370, 4826, 4864, 5080, 5842, 5888, 6080, 6992, 7360, 8128, 8740, 9652, 10160, 11684, 12065, 12160, 13984, 14605, 14720, 16256, 17480, 19304, 20320, 23368, 24130, 24320, 27968, 29210, 29440, 32512, 34960, 38608, 40640, 46736, 48260, 55499, 55936, 58420, 69920, 77216, 81280, 93472, 96520, 110998, 111872, 116840, 139840, 154432, 162560, 186944, 193040, 221996, 233680, 277495, 279680, 308864, 373888, 386080, 443992, 467360, 554990, 559360, 617728, 747776, 772160, 887984, 934720, 1109980, 1544320, 1775968, 1869440, 2219960, 3088640, 3551936, 3738880, 4439920, 7103872, 8879840, 14207744, 17759680, 35519360, 71038720]

約数ペア:

[(1, 71038720), (2, 35519360), (4, 17759680), (5, 14207744), (8, 8879840), (10, 7103872), (16, 4439920), (19, 3738880), (20, 3551936), (23, 3088640), (32, 2219960), (38, 1869440), (40, 1775968), (46, 1544320), (64, 1109980), (76, 934720), (80, 887984), (92, 772160), (95, 747776), (115, 617728), (127, 559360), (128, 554990), (152, 467360), (160, 443992), (184, 386080), (190, 373888), (230, 308864), (254, 279680), (256, 277495), (304, 233680), (320, 221996), (368, 193040), (380, 186944), (437, 162560), (460, 154432), (508, 139840), (608, 116840), (635, 111872), (640, 110998), (736, 96520), (760, 93472), (874, 81280), (920, 77216), (1016, 69920), (1216, 58420), (1270, 55936), (1280, 55499), (1472, 48260), (1520, 46736), (1748, 40640), (1840, 38608), (2032, 34960), (2185, 32512), (2413, 29440), (2432, 29210), (2540, 27968), (2921, 24320), (2944, 24130), (3040, 23368), (3496, 20320), (3680, 19304), (4064, 17480), (4370, 16256), (4826, 14720), (4864, 14605), (5080, 13984), (5842, 12160), (5888, 12065), (6080, 11684), (6992, 10160), (7360, 9652), (8128, 8740)]