321680400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{4001}}^1$

素因数の和:4089

約数の個数: 120

約数和(自身を含む): 1046090784

約数和(自身を除く): 724410384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 67, 75, 80, 100, 120, 134, 150, 200, 201, 240, 268, 300, 335, 400, 402, 536, 600, 670, 804, 1005, 1072, 1200, 1340, 1608, 1675, 2010, 2680, 3216, 3350, 4001, 4020, 5025, 5360, 6700, 8002, 8040, 10050, 12003, 13400, 16004, 16080, 20005, 20100, 24006, 26800, 32008, 40010, 40200, 48012, 60015, 64016, 80020, 80400, 96024, 100025, 120030, 160040, 192048, 200050, 240060, 268067, 300075, 320080, 400100, 480120, 536134, 600150, 800200, 804201, 960240, 1072268, 1200300, 1340335, 1600400, 1608402, 2144536, 2400600, 2680670, 3216804, 4021005, 4289072, 4801200, 5361340, 6433608, 6701675, 8042010, 10722680, 12867216, 13403350, 16084020, 20105025, 21445360, 26806700, 32168040, 40210050, 53613400, 64336080, 80420100, 107226800, 160840200, 321680400]

約数ペア:

[(1, 321680400), (2, 160840200), (3, 107226800), (4, 80420100), (5, 64336080), (6, 53613400), (8, 40210050), (10, 32168040), (12, 26806700), (15, 21445360), (16, 20105025), (20, 16084020), (24, 13403350), (25, 12867216), (30, 10722680), (40, 8042010), (48, 6701675), (50, 6433608), (60, 5361340), (67, 4801200), (75, 4289072), (80, 4021005), (100, 3216804), (120, 2680670), (134, 2400600), (150, 2144536), (200, 1608402), (201, 1600400), (240, 1340335), (268, 1200300), (300, 1072268), (335, 960240), (400, 804201), (402, 800200), (536, 600150), (600, 536134), (670, 480120), (804, 400100), (1005, 320080), (1072, 300075), (1200, 268067), (1340, 240060), (1608, 200050), (1675, 192048), (2010, 160040), (2680, 120030), (3216, 100025), (3350, 96024), (4001, 80400), (4020, 80020), (5025, 64016), (5360, 60015), (6700, 48012), (8002, 40200), (8040, 40010), (10050, 32008), (12003, 26800), (13400, 24006), (16004, 20100), (16080, 20005)]