71848890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{947}}^1$

素因数の和:1244

約数の個数: 64

約数和(自身を含む): 192481920

約数和(自身を除く): 120633030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 281, 562, 843, 947, 1405, 1686, 1894, 2529, 2810, 2841, 4215, 4735, 5058, 5682, 7587, 8430, 8523, 9470, 12645, 14205, 15174, 17046, 25290, 25569, 28410, 37935, 42615, 51138, 75870, 85230, 127845, 255690, 266107, 532214, 798321, 1330535, 1596642, 2394963, 2661070, 3991605, 4789926, 7184889, 7983210, 11974815, 14369778, 23949630, 35924445, 71848890]

約数ペア:

[(1, 71848890), (2, 35924445), (3, 23949630), (5, 14369778), (6, 11974815), (9, 7983210), (10, 7184889), (15, 4789926), (18, 3991605), (27, 2661070), (30, 2394963), (45, 1596642), (54, 1330535), (90, 798321), (135, 532214), (270, 266107), (281, 255690), (562, 127845), (843, 85230), (947, 75870), (1405, 51138), (1686, 42615), (1894, 37935), (2529, 28410), (2810, 25569), (2841, 25290), (4215, 17046), (4735, 15174), (5058, 14205), (5682, 12645), (7587, 9470), (8430, 8523)]