720049980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{923141}}^1$

素因数の和:923166

約数の個数: 48

約数和(自身を含む): 2171229984

約数和(自身を除く): 1451180004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 923141, 1846282, 2769423, 3692564, 4615705, 5538846, 9231410, 11077692, 12000833, 13847115, 18462820, 24001666, 27694230, 36002499, 48003332, 55388460, 60004165, 72004998, 120008330, 144009996, 180012495, 240016660, 360024990, 720049980]

約数ペア:

[(1, 720049980), (2, 360024990), (3, 240016660), (4, 180012495), (5, 144009996), (6, 120008330), (10, 72004998), (12, 60004165), (13, 55388460), (15, 48003332), (20, 36002499), (26, 27694230), (30, 24001666), (39, 18462820), (52, 13847115), (60, 12000833), (65, 11077692), (78, 9231410), (130, 5538846), (156, 4615705), (195, 3692564), (260, 2769423), (390, 1846282), (780, 923141)]