165787180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{227}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 383825232

約数和(自身を除く): 218038052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 227, 260, 265, 454, 530, 689, 908, 1060, 1135, 1378, 2270, 2756, 2809, 2951, 3445, 4540, 5618, 5902, 6890, 11236, 11804, 12031, 13780, 14045, 14755, 24062, 28090, 29510, 36517, 48124, 56180, 59020, 60155, 73034, 120310, 146068, 156403, 182585, 240620, 312806, 365170, 625612, 637643, 730340, 782015, 1275286, 1564030, 2550572, 3128060, 3188215, 6376430, 8289359, 12752860, 16578718, 33157436, 41446795, 82893590, 165787180]

約数ペア:

[(1, 165787180), (2, 82893590), (4, 41446795), (5, 33157436), (10, 16578718), (13, 12752860), (20, 8289359), (26, 6376430), (52, 3188215), (53, 3128060), (65, 2550572), (106, 1564030), (130, 1275286), (212, 782015), (227, 730340), (260, 637643), (265, 625612), (454, 365170), (530, 312806), (689, 240620), (908, 182585), (1060, 156403), (1135, 146068), (1378, 120310), (2270, 73034), (2756, 60155), (2809, 59020), (2951, 56180), (3445, 48124), (4540, 36517), (5618, 29510), (5902, 28090), (6890, 24062), (11236, 14755), (11804, 14045), (12031, 13780)]