151221980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83089}}^1$

素因数の和:83118

約数の個数: 48

約数和(自身を含む): 390855360

約数和(自身を除く): 239633380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 83089, 166178, 332356, 415445, 581623, 830890, 1080157, 1163246, 1661780, 2160314, 2326492, 2908115, 4320628, 5400785, 5816230, 7561099, 10801570, 11632460, 15122198, 21603140, 30244396, 37805495, 75610990, 151221980]

約数ペア:

[(1, 151221980), (2, 75610990), (4, 37805495), (5, 30244396), (7, 21603140), (10, 15122198), (13, 11632460), (14, 10801570), (20, 7561099), (26, 5816230), (28, 5400785), (35, 4320628), (52, 2908115), (65, 2326492), (70, 2160314), (91, 1661780), (130, 1163246), (140, 1080157), (182, 830890), (260, 581623), (364, 415445), (455, 332356), (910, 166178), (1820, 83089)]