636691680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{442147}}^1$

素因数の和:442168

約数の個数: 72

約数和(自身を含む): 2172715272

約数和(自身を除く): 1536023592

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 442147, 884294, 1326441, 1768588, 2210735, 2652882, 3537176, 3979323, 4421470, 5305764, 6632205, 7074352, 7958646, 8842940, 10611528, 13264410, 14148704, 15917292, 17685880, 19896615, 21223056, 26528820, 31834584, 35371760, 39793230, 42446112, 53057640, 63669168, 70743520, 79586460, 106115280, 127338336, 159172920, 212230560, 318345840, 636691680]

約数ペア:

[(1, 636691680), (2, 318345840), (3, 212230560), (4, 159172920), (5, 127338336), (6, 106115280), (8, 79586460), (9, 70743520), (10, 63669168), (12, 53057640), (15, 42446112), (16, 39793230), (18, 35371760), (20, 31834584), (24, 26528820), (30, 21223056), (32, 19896615), (36, 17685880), (40, 15917292), (45, 14148704), (48, 13264410), (60, 10611528), (72, 8842940), (80, 7958646), (90, 7074352), (96, 6632205), (120, 5305764), (144, 4421470), (160, 3979323), (180, 3537176), (240, 2652882), (288, 2210735), (360, 1768588), (480, 1326441), (720, 884294), (1440, 442147)]