201780390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1499}}^1$

素因数の和:2157

約数の個数: 64

約数和(自身を含む): 554688000

約数和(自身を除く): 352907610

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 641, 1282, 1499, 1923, 2998, 3205, 3846, 4487, 4497, 6410, 7495, 8974, 8994, 9615, 10493, 13461, 14990, 19230, 20986, 22435, 22485, 26922, 31479, 44870, 44970, 52465, 62958, 67305, 104930, 134610, 157395, 314790, 960859, 1921718, 2882577, 4804295, 5765154, 6726013, 9608590, 13452026, 14412885, 20178039, 28825770, 33630065, 40356078, 67260130, 100890195, 201780390]

約数ペア:

[(1, 201780390), (2, 100890195), (3, 67260130), (5, 40356078), (6, 33630065), (7, 28825770), (10, 20178039), (14, 14412885), (15, 13452026), (21, 9608590), (30, 6726013), (35, 5765154), (42, 4804295), (70, 2882577), (105, 1921718), (210, 960859), (641, 314790), (1282, 157395), (1499, 134610), (1923, 104930), (2998, 67305), (3205, 62958), (3846, 52465), (4487, 44970), (4497, 44870), (6410, 31479), (7495, 26922), (8974, 22485), (8994, 22435), (9615, 20986), (10493, 19230), (13461, 14990)]