15205700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 35622720

約数和(自身を除く): 20417020

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 53, 76, 95, 100, 106, 151, 190, 212, 265, 302, 380, 475, 530, 604, 755, 950, 1007, 1060, 1325, 1510, 1900, 2014, 2650, 2869, 3020, 3775, 4028, 5035, 5300, 5738, 7550, 8003, 10070, 11476, 14345, 15100, 16006, 20140, 25175, 28690, 32012, 40015, 50350, 57380, 71725, 80030, 100700, 143450, 152057, 160060, 200075, 286900, 304114, 400150, 608228, 760285, 800300, 1520570, 3041140, 3801425, 7602850, 15205700]

約数ペア:

[(1, 15205700), (2, 7602850), (4, 3801425), (5, 3041140), (10, 1520570), (19, 800300), (20, 760285), (25, 608228), (38, 400150), (50, 304114), (53, 286900), (76, 200075), (95, 160060), (100, 152057), (106, 143450), (151, 100700), (190, 80030), (212, 71725), (265, 57380), (302, 50350), (380, 40015), (475, 32012), (530, 28690), (604, 25175), (755, 20140), (950, 16006), (1007, 15100), (1060, 14345), (1325, 11476), (1510, 10070), (1900, 8003), (2014, 7550), (2650, 5738), (2869, 5300), (3020, 5035), (3775, 4028)]