201131820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:824

約数の個数: 144

約数和(自身を含む): 643930560

約数和(自身を除く): 442798740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 53, 58, 60, 87, 90, 106, 116, 145, 159, 174, 180, 212, 261, 265, 290, 318, 348, 435, 477, 522, 530, 580, 636, 727, 795, 870, 954, 1044, 1060, 1305, 1454, 1537, 1590, 1740, 1908, 2181, 2385, 2610, 2908, 3074, 3180, 3635, 4362, 4611, 4770, 5220, 6148, 6543, 7270, 7685, 8724, 9222, 9540, 10905, 13086, 13833, 14540, 15370, 18444, 21083, 21810, 23055, 26172, 27666, 30740, 32715, 38531, 42166, 43620, 46110, 55332, 63249, 65430, 69165, 77062, 84332, 92220, 105415, 115593, 126498, 130860, 138330, 154124, 189747, 192655, 210830, 231186, 252996, 276660, 316245, 346779, 379494, 385310, 421660, 462372, 577965, 632490, 693558, 758988, 770620, 948735, 1117399, 1155930, 1264980, 1387116, 1733895, 1897470, 2234798, 2311860, 3352197, 3467790, 3794940, 4469596, 5586995, 6704394, 6935580, 10056591, 11173990, 13408788, 16760985, 20113182, 22347980, 33521970, 40226364, 50282955, 67043940, 100565910, 201131820]

約数ペア:

[(1, 201131820), (2, 100565910), (3, 67043940), (4, 50282955), (5, 40226364), (6, 33521970), (9, 22347980), (10, 20113182), (12, 16760985), (15, 13408788), (18, 11173990), (20, 10056591), (29, 6935580), (30, 6704394), (36, 5586995), (45, 4469596), (53, 3794940), (58, 3467790), (60, 3352197), (87, 2311860), (90, 2234798), (106, 1897470), (116, 1733895), (145, 1387116), (159, 1264980), (174, 1155930), (180, 1117399), (212, 948735), (261, 770620), (265, 758988), (290, 693558), (318, 632490), (348, 577965), (435, 462372), (477, 421660), (522, 385310), (530, 379494), (580, 346779), (636, 316245), (727, 276660), (795, 252996), (870, 231186), (954, 210830), (1044, 192655), (1060, 189747), (1305, 154124), (1454, 138330), (1537, 130860), (1590, 126498), (1740, 115593), (1908, 105415), (2181, 92220), (2385, 84332), (2610, 77062), (2908, 69165), (3074, 65430), (3180, 63249), (3635, 55332), (4362, 46110), (4611, 43620), (4770, 42166), (5220, 38531), (6148, 32715), (6543, 30740), (7270, 27666), (7685, 26172), (8724, 23055), (9222, 21810), (9540, 21083), (10905, 18444), (13086, 15370), (13833, 14540)]