641890920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{486281}}^1$

素因数の和:486306

約数の個数: 64

約数和(自身を含む): 2100738240

約数和(自身を除く): 1458847320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 486281, 972562, 1458843, 1945124, 2431405, 2917686, 3890248, 4862810, 5349091, 5835372, 7294215, 9725620, 10698182, 11670744, 14588430, 16047273, 19451240, 21396364, 26745455, 29176860, 32094546, 42792728, 53490910, 58353720, 64189092, 80236365, 106981820, 128378184, 160472730, 213963640, 320945460, 641890920]

約数ペア:

[(1, 641890920), (2, 320945460), (3, 213963640), (4, 160472730), (5, 128378184), (6, 106981820), (8, 80236365), (10, 64189092), (11, 58353720), (12, 53490910), (15, 42792728), (20, 32094546), (22, 29176860), (24, 26745455), (30, 21396364), (33, 19451240), (40, 16047273), (44, 14588430), (55, 11670744), (60, 10698182), (66, 9725620), (88, 7294215), (110, 5835372), (120, 5349091), (132, 4862810), (165, 3890248), (220, 2917686), (264, 2431405), (330, 1945124), (440, 1458843), (660, 972562), (1320, 486281)]