515888640

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{22391}}^1$

素因数の和:22420

約数の個数: 120

約数和(自身を含む): 1786747248

約数和(自身を除く): 1270858608

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11520, 22391, 23040, 44782, 67173, 89564, 111955, 134346, 179128, 201519, 223910, 268692, 335865, 358256, 403038, 447820, 537384, 671730, 716512, 806076, 895640, 1007595, 1074768, 1343460, 1433024, 1612152, 1791280, 2015190, 2149536, 2686920, 2866048, 3224304, 3582560, 4030380, 4299072, 5373840, 5732096, 6448608, 7165120, 8060760, 8598144, 10747680, 11464192, 12897216, 14330240, 16121520, 17196288, 21495360, 25794432, 28660480, 32243040, 34392576, 42990720, 51588864, 57320960, 64486080, 85981440, 103177728, 128972160, 171962880, 257944320, 515888640]

約数ペア:

[(1, 515888640), (2, 257944320), (3, 171962880), (4, 128972160), (5, 103177728), (6, 85981440), (8, 64486080), (9, 57320960), (10, 51588864), (12, 42990720), (15, 34392576), (16, 32243040), (18, 28660480), (20, 25794432), (24, 21495360), (30, 17196288), (32, 16121520), (36, 14330240), (40, 12897216), (45, 11464192), (48, 10747680), (60, 8598144), (64, 8060760), (72, 7165120), (80, 6448608), (90, 5732096), (96, 5373840), (120, 4299072), (128, 4030380), (144, 3582560), (160, 3224304), (180, 2866048), (192, 2686920), (240, 2149536), (256, 2015190), (288, 1791280), (320, 1612152), (360, 1433024), (384, 1343460), (480, 1074768), (512, 1007595), (576, 895640), (640, 806076), (720, 716512), (768, 671730), (960, 537384), (1152, 447820), (1280, 403038), (1440, 358256), (1536, 335865), (1920, 268692), (2304, 223910), (2560, 201519), (2880, 179128), (3840, 134346), (4608, 111955), (5760, 89564), (7680, 67173), (11520, 44782), (22391, 23040)]