15115960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 35834400

約数和(自身を除く): 20718440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 83, 116, 145, 157, 166, 232, 290, 314, 332, 415, 580, 628, 664, 785, 830, 1160, 1256, 1570, 1660, 2407, 3140, 3320, 4553, 4814, 6280, 9106, 9628, 12035, 13031, 18212, 19256, 22765, 24070, 26062, 36424, 45530, 48140, 52124, 65155, 91060, 96280, 104248, 130310, 182120, 260620, 377899, 521240, 755798, 1511596, 1889495, 3023192, 3778990, 7557980, 15115960]

約数ペア:

[(1, 15115960), (2, 7557980), (4, 3778990), (5, 3023192), (8, 1889495), (10, 1511596), (20, 755798), (29, 521240), (40, 377899), (58, 260620), (83, 182120), (116, 130310), (145, 104248), (157, 96280), (166, 91060), (232, 65155), (290, 52124), (314, 48140), (332, 45530), (415, 36424), (580, 26062), (628, 24070), (664, 22765), (785, 19256), (830, 18212), (1160, 13031), (1256, 12035), (1570, 9628), (1660, 9106), (2407, 6280), (3140, 4814), (3320, 4553)]