7557980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 16722720

約数和(自身を除く): 9164740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 83, 116, 145, 157, 166, 290, 314, 332, 415, 580, 628, 785, 830, 1570, 1660, 2407, 3140, 4553, 4814, 9106, 9628, 12035, 13031, 18212, 22765, 24070, 26062, 45530, 48140, 52124, 65155, 91060, 130310, 260620, 377899, 755798, 1511596, 1889495, 3778990, 7557980]

約数ペア:

[(1, 7557980), (2, 3778990), (4, 1889495), (5, 1511596), (10, 755798), (20, 377899), (29, 260620), (58, 130310), (83, 91060), (116, 65155), (145, 52124), (157, 48140), (166, 45530), (290, 26062), (314, 24070), (332, 22765), (415, 18212), (580, 13031), (628, 12035), (785, 9628), (830, 9106), (1570, 4814), (1660, 4553), (2407, 3140)]