277727220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{4421}}^1$

素因数の和:4785

約数の個数: 72

約数和(自身を含む): 845044200

約数和(自身を除く): 567316980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 698, 1047, 1396, 1745, 2094, 3141, 3490, 4188, 4421, 5235, 6282, 6980, 8842, 10470, 12564, 13263, 15705, 17684, 20940, 22105, 26526, 31410, 39789, 44210, 53052, 62820, 66315, 79578, 88420, 132630, 159156, 198945, 265260, 397890, 795780, 1542929, 3085858, 4628787, 6171716, 7714645, 9257574, 13886361, 15429290, 18515148, 23143935, 27772722, 30858580, 46287870, 55545444, 69431805, 92575740, 138863610, 277727220]

約数ペア:

[(1, 277727220), (2, 138863610), (3, 92575740), (4, 69431805), (5, 55545444), (6, 46287870), (9, 30858580), (10, 27772722), (12, 23143935), (15, 18515148), (18, 15429290), (20, 13886361), (30, 9257574), (36, 7714645), (45, 6171716), (60, 4628787), (90, 3085858), (180, 1542929), (349, 795780), (698, 397890), (1047, 265260), (1396, 198945), (1745, 159156), (2094, 132630), (3141, 88420), (3490, 79578), (4188, 66315), (4421, 62820), (5235, 53052), (6282, 44210), (6980, 39789), (8842, 31410), (10470, 26526), (12564, 22105), (13263, 20940), (15705, 17684)]