820060980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{440893}}^1$

素因数の和:440936

約数の個数: 48

約数和(自身を含む): 2370246144

約数和(自身を除く): 1550185164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 440893, 881786, 1322679, 1763572, 2204465, 2645358, 4408930, 5290716, 6613395, 8817860, 13226790, 13667683, 26453580, 27335366, 41003049, 54670732, 68338415, 82006098, 136676830, 164012196, 205015245, 273353660, 410030490, 820060980]

約数ペア:

[(1, 820060980), (2, 410030490), (3, 273353660), (4, 205015245), (5, 164012196), (6, 136676830), (10, 82006098), (12, 68338415), (15, 54670732), (20, 41003049), (30, 27335366), (31, 26453580), (60, 13667683), (62, 13226790), (93, 8817860), (124, 6613395), (155, 5290716), (186, 4408930), (310, 2645358), (372, 2204465), (465, 1763572), (620, 1322679), (930, 881786), (1860, 440893)]