69818940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2143}}^1$

素因数の和:2339

約数の個数: 72

約数和(自身を含む): 213053568

約数和(自身を除く): 143234628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2143, 2172, 2715, 3258, 3620, 4286, 5430, 6429, 6516, 8145, 8572, 10715, 10860, 12858, 16290, 19287, 21430, 25716, 32145, 32580, 38574, 42860, 64290, 77148, 96435, 128580, 192870, 385740, 387883, 775766, 1163649, 1551532, 1939415, 2327298, 3490947, 3878830, 4654596, 5818245, 6981894, 7757660, 11636490, 13963788, 17454735, 23272980, 34909470, 69818940]

約数ペア:

[(1, 69818940), (2, 34909470), (3, 23272980), (4, 17454735), (5, 13963788), (6, 11636490), (9, 7757660), (10, 6981894), (12, 5818245), (15, 4654596), (18, 3878830), (20, 3490947), (30, 2327298), (36, 1939415), (45, 1551532), (60, 1163649), (90, 775766), (180, 387883), (181, 385740), (362, 192870), (543, 128580), (724, 96435), (905, 77148), (1086, 64290), (1629, 42860), (1810, 38574), (2143, 32580), (2172, 32145), (2715, 25716), (3258, 21430), (3620, 19287), (4286, 16290), (5430, 12858), (6429, 10860), (6516, 10715), (8145, 8572)]