9970565580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{84827}}^1$

素因数の和:85495

約数の個数: 72

約数和(自身を含む): 30290721552

約数和(自身を除く): 20320155972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 653, 1306, 1959, 2612, 3265, 3918, 5877, 6530, 7836, 9795, 11754, 13060, 19590, 23508, 29385, 39180, 58770, 84827, 117540, 169654, 254481, 339308, 424135, 508962, 763443, 848270, 1017924, 1272405, 1526886, 1696540, 2544810, 3053772, 3817215, 5089620, 7634430, 15268860, 55392031, 110784062, 166176093, 221568124, 276960155, 332352186, 498528279, 553920310, 664704372, 830880465, 997056558, 1107840620, 1661760930, 1994113116, 2492641395, 3323521860, 4985282790, 9970565580]

約数ペア:

[(1, 9970565580), (2, 4985282790), (3, 3323521860), (4, 2492641395), (5, 1994113116), (6, 1661760930), (9, 1107840620), (10, 997056558), (12, 830880465), (15, 664704372), (18, 553920310), (20, 498528279), (30, 332352186), (36, 276960155), (45, 221568124), (60, 166176093), (90, 110784062), (180, 55392031), (653, 15268860), (1306, 7634430), (1959, 5089620), (2612, 3817215), (3265, 3053772), (3918, 2544810), (5877, 1696540), (6530, 1526886), (7836, 1272405), (9795, 1017924), (11754, 848270), (13060, 763443), (19590, 508962), (23508, 424135), (29385, 339308), (39180, 254481), (58770, 169654), (84827, 117540)]