1644204060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{32507}}^1$

素因数の和:32803

約数の個数: 72

約数和(自身を含む): 5005321776

約数和(自身を除く): 3361117716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 281, 562, 843, 1124, 1405, 1686, 2529, 2810, 3372, 4215, 5058, 5620, 8430, 10116, 12645, 16860, 25290, 32507, 50580, 65014, 97521, 130028, 162535, 195042, 292563, 325070, 390084, 487605, 585126, 650140, 975210, 1170252, 1462815, 1950420, 2925630, 5851260, 9134467, 18268934, 27403401, 36537868, 45672335, 54806802, 82210203, 91344670, 109613604, 137017005, 164420406, 182689340, 274034010, 328840812, 411051015, 548068020, 822102030, 1644204060]

約数ペア:

[(1, 1644204060), (2, 822102030), (3, 548068020), (4, 411051015), (5, 328840812), (6, 274034010), (9, 182689340), (10, 164420406), (12, 137017005), (15, 109613604), (18, 91344670), (20, 82210203), (30, 54806802), (36, 45672335), (45, 36537868), (60, 27403401), (90, 18268934), (180, 9134467), (281, 5851260), (562, 2925630), (843, 1950420), (1124, 1462815), (1405, 1170252), (1686, 975210), (2529, 650140), (2810, 585126), (3372, 487605), (4215, 390084), (5058, 325070), (5620, 292563), (8430, 195042), (10116, 162535), (12645, 130028), (16860, 97521), (25290, 65014), (32507, 50580)]