72642765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 131991552

約数和(自身を除く): 59348787

約数列:

[1, 3, 5, 13, 15, 31, 39, 61, 65, 93, 155, 183, 195, 197, 305, 403, 465, 591, 793, 915, 985, 1209, 1891, 2015, 2379, 2561, 2955, 3965, 5673, 6045, 6107, 7683, 9455, 11895, 12017, 12805, 18321, 24583, 28365, 30535, 36051, 38415, 60085, 73749, 79391, 91605, 122915, 156221, 180255, 238173, 368745, 372527, 396955, 468663, 781105, 1117581, 1190865, 1862635, 2343315, 4842851, 5587905, 14528553, 24214255, 72642765]

約数ペア:

[(1, 72642765), (3, 24214255), (5, 14528553), (13, 5587905), (15, 4842851), (31, 2343315), (39, 1862635), (61, 1190865), (65, 1117581), (93, 781105), (155, 468663), (183, 396955), (195, 372527), (197, 368745), (305, 238173), (403, 180255), (465, 156221), (591, 122915), (793, 91605), (915, 79391), (985, 73749), (1209, 60085), (1891, 38415), (2015, 36051), (2379, 30535), (2561, 28365), (2955, 24583), (3965, 18321), (5673, 12805), (6045, 12017), (6107, 11895), (7683, 9455)]