80305920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{6971}}^1$

素因数の和:6998

約数の個数: 108

約数和(自身を含む): 277889976

約数和(自身を除く): 197584056

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, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 6971, 11520, 13942, 20913, 27884, 34855, 41826, 55768, 62739, 69710, 83652, 104565, 111536, 125478, 139420, 167304, 209130, 223072, 250956, 278840, 313695, 334608, 418260, 446144, 501912, 557680, 627390, 669216, 836520, 892288, 1003824, 1115360, 1254780, 1338432, 1673040, 1784576, 2007648, 2230720, 2509560, 2676864, 3346080, 4015296, 4461440, 5019120, 5353728, 6692160, 8030592, 8922880, 10038240, 13384320, 16061184, 20076480, 26768640, 40152960, 80305920]

約数ペア:

[(1, 80305920), (2, 40152960), (3, 26768640), (4, 20076480), (5, 16061184), (6, 13384320), (8, 10038240), (9, 8922880), (10, 8030592), (12, 6692160), (15, 5353728), (16, 5019120), (18, 4461440), (20, 4015296), (24, 3346080), (30, 2676864), (32, 2509560), (36, 2230720), (40, 2007648), (45, 1784576), (48, 1673040), (60, 1338432), (64, 1254780), (72, 1115360), (80, 1003824), (90, 892288), (96, 836520), (120, 669216), (128, 627390), (144, 557680), (160, 501912), (180, 446144), (192, 418260), (240, 334608), (256, 313695), (288, 278840), (320, 250956), (360, 223072), (384, 209130), (480, 167304), (576, 139420), (640, 125478), (720, 111536), (768, 104565), (960, 83652), (1152, 69710), (1280, 62739), (1440, 55768), (1920, 41826), (2304, 34855), (2880, 27884), (3840, 20913), (5760, 13942), (6971, 11520)]