1809072120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{247141}}^1$

素因数の和:247216

約数の個数: 64

約数和(自身を含む): 5516209440

約数和(自身を除く): 3707137320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 247141, 494282, 741423, 988564, 1235705, 1482846, 1977128, 2471410, 2965692, 3707115, 4942820, 5931384, 7414230, 9885640, 14828460, 15075601, 29656920, 30151202, 45226803, 60302404, 75378005, 90453606, 120604808, 150756010, 180907212, 226134015, 301512020, 361814424, 452268030, 603024040, 904536060, 1809072120]

約数ペア:

[(1, 1809072120), (2, 904536060), (3, 603024040), (4, 452268030), (5, 361814424), (6, 301512020), (8, 226134015), (10, 180907212), (12, 150756010), (15, 120604808), (20, 90453606), (24, 75378005), (30, 60302404), (40, 45226803), (60, 30151202), (61, 29656920), (120, 15075601), (122, 14828460), (183, 9885640), (244, 7414230), (305, 5931384), (366, 4942820), (488, 3707115), (610, 2965692), (732, 2471410), (915, 1977128), (1220, 1482846), (1464, 1235705), (1830, 988564), (2440, 741423), (3660, 494282), (7320, 247141)]