161497720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9239}}^1$

素因数の和:9292

約数の個数: 64

約数和(自身を含む): 399168000

約数和(自身を除く): 237670280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1748, 2185, 3496, 4370, 8740, 9239, 17480, 18478, 36956, 46195, 73912, 92390, 175541, 184780, 212497, 351082, 369560, 424994, 702164, 849988, 877705, 1062485, 1404328, 1699976, 1755410, 2124970, 3510820, 4037443, 4249940, 7021640, 8074886, 8499880, 16149772, 20187215, 32299544, 40374430, 80748860, 161497720]

約数ペア:

[(1, 161497720), (2, 80748860), (4, 40374430), (5, 32299544), (8, 20187215), (10, 16149772), (19, 8499880), (20, 8074886), (23, 7021640), (38, 4249940), (40, 4037443), (46, 3510820), (76, 2124970), (92, 1755410), (95, 1699976), (115, 1404328), (152, 1062485), (184, 877705), (190, 849988), (230, 702164), (380, 424994), (437, 369560), (460, 351082), (760, 212497), (874, 184780), (920, 175541), (1748, 92390), (2185, 73912), (3496, 46195), (4370, 36956), (8740, 18478), (9239, 17480)]