1721302020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{562517}}^1$

素因数の和:562549

約数の個数: 72

約数和(自身を含む): 5528426904

約数和(自身を除く): 3807124884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 562517, 1125034, 1687551, 2250068, 2812585, 3375102, 5062653, 5625170, 6750204, 8437755, 9562789, 10125306, 11250340, 16875510, 19125578, 20250612, 25313265, 28688367, 33751020, 38251156, 47813945, 50626530, 57376734, 86065101, 95627890, 101253060, 114753468, 143441835, 172130202, 191255780, 286883670, 344260404, 430325505, 573767340, 860651010, 1721302020]

約数ペア:

[(1, 1721302020), (2, 860651010), (3, 573767340), (4, 430325505), (5, 344260404), (6, 286883670), (9, 191255780), (10, 172130202), (12, 143441835), (15, 114753468), (17, 101253060), (18, 95627890), (20, 86065101), (30, 57376734), (34, 50626530), (36, 47813945), (45, 38251156), (51, 33751020), (60, 28688367), (68, 25313265), (85, 20250612), (90, 19125578), (102, 16875510), (153, 11250340), (170, 10125306), (180, 9562789), (204, 8437755), (255, 6750204), (306, 5625170), (340, 5062653), (510, 3375102), (612, 2812585), (765, 2250068), (1020, 1687551), (1530, 1125034), (3060, 562517)]