788528025

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2753}}^1$

素因数の和:2855

約数の個数: 72

約数和(自身を含む): 1509412320

約数和(自身を除く): 720884295

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 67, 75, 95, 171, 201, 225, 285, 335, 475, 603, 855, 1005, 1273, 1425, 1675, 2753, 3015, 3819, 4275, 5025, 6365, 8259, 11457, 13765, 15075, 19095, 24777, 31825, 41295, 52307, 57285, 68825, 95475, 123885, 156921, 184451, 206475, 261535, 286425, 470763, 553353, 619425, 784605, 922255, 1307675, 1660059, 2353815, 2766765, 3504569, 3923025, 4611275, 8300295, 10513707, 11769075, 13833825, 17522845, 31541121, 41501475, 52568535, 87614225, 157705605, 262842675, 788528025]

約数ペア:

[(1, 788528025), (3, 262842675), (5, 157705605), (9, 87614225), (15, 52568535), (19, 41501475), (25, 31541121), (45, 17522845), (57, 13833825), (67, 11769075), (75, 10513707), (95, 8300295), (171, 4611275), (201, 3923025), (225, 3504569), (285, 2766765), (335, 2353815), (475, 1660059), (603, 1307675), (855, 922255), (1005, 784605), (1273, 619425), (1425, 553353), (1675, 470763), (2753, 286425), (3015, 261535), (3819, 206475), (4275, 184451), (5025, 156921), (6365, 123885), (8259, 95475), (11457, 68825), (13765, 57285), (15075, 52307), (19095, 41295), (24777, 31825)]