70931840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 197406720

約数和(自身を除く): 126474880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 223, 224, 280, 284, 320, 355, 446, 448, 497, 560, 568, 640, 710, 892, 896, 994, 1115, 1120, 1136, 1420, 1561, 1784, 1988, 2230, 2240, 2272, 2485, 2840, 3122, 3568, 3976, 4460, 4480, 4544, 4970, 5680, 6244, 7136, 7805, 7952, 8920, 9088, 9940, 11360, 12488, 14272, 15610, 15833, 15904, 17840, 19880, 22720, 24976, 28544, 31220, 31666, 31808, 35680, 39760, 45440, 49952, 62440, 63332, 63616, 71360, 79165, 79520, 99904, 110831, 124880, 126664, 142720, 158330, 159040, 199808, 221662, 249760, 253328, 316660, 318080, 443324, 499520, 506656, 554155, 633320, 886648, 999040, 1013312, 1108310, 1266640, 1773296, 2026624, 2216620, 2533280, 3546592, 4433240, 5066560, 7093184, 8866480, 10133120, 14186368, 17732960, 35465920, 70931840]

約数ペア:

[(1, 70931840), (2, 35465920), (4, 17732960), (5, 14186368), (7, 10133120), (8, 8866480), (10, 7093184), (14, 5066560), (16, 4433240), (20, 3546592), (28, 2533280), (32, 2216620), (35, 2026624), (40, 1773296), (56, 1266640), (64, 1108310), (70, 1013312), (71, 999040), (80, 886648), (112, 633320), (128, 554155), (140, 506656), (142, 499520), (160, 443324), (223, 318080), (224, 316660), (280, 253328), (284, 249760), (320, 221662), (355, 199808), (446, 159040), (448, 158330), (497, 142720), (560, 126664), (568, 124880), (640, 110831), (710, 99904), (892, 79520), (896, 79165), (994, 71360), (1115, 63616), (1120, 63332), (1136, 62440), (1420, 49952), (1561, 45440), (1784, 39760), (1988, 35680), (2230, 31808), (2240, 31666), (2272, 31220), (2485, 28544), (2840, 24976), (3122, 22720), (3568, 19880), (3976, 17840), (4460, 15904), (4480, 15833), (4544, 15610), (4970, 14272), (5680, 12488), (6244, 11360), (7136, 9940), (7805, 9088), (7952, 8920)]