205331220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{577}}^1\times {\mathrm{659}}^1$

素因数の和:1254

約数の個数: 96

約数和(自身を含む): 640886400

約数和(自身を除く): 435555180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 577, 659, 1154, 1318, 1731, 1977, 2308, 2636, 2885, 3295, 3462, 3954, 5193, 5770, 5931, 6590, 6924, 7908, 8655, 9885, 10386, 11540, 11862, 13180, 15579, 17310, 17793, 19770, 20772, 23724, 25965, 29655, 31158, 34620, 35586, 39540, 51930, 59310, 62316, 71172, 77895, 88965, 103860, 118620, 155790, 177930, 311580, 355860, 380243, 760486, 1140729, 1520972, 1901215, 2281458, 3422187, 3802430, 4562916, 5703645, 6844374, 7604860, 10266561, 11407290, 13688748, 17110935, 20533122, 22814580, 34221870, 41066244, 51332805, 68443740, 102665610, 205331220]

約数ペア:

[(1, 205331220), (2, 102665610), (3, 68443740), (4, 51332805), (5, 41066244), (6, 34221870), (9, 22814580), (10, 20533122), (12, 17110935), (15, 13688748), (18, 11407290), (20, 10266561), (27, 7604860), (30, 6844374), (36, 5703645), (45, 4562916), (54, 3802430), (60, 3422187), (90, 2281458), (108, 1901215), (135, 1520972), (180, 1140729), (270, 760486), (540, 380243), (577, 355860), (659, 311580), (1154, 177930), (1318, 155790), (1731, 118620), (1977, 103860), (2308, 88965), (2636, 77895), (2885, 71172), (3295, 62316), (3462, 59310), (3954, 51930), (5193, 39540), (5770, 35586), (5931, 34620), (6590, 31158), (6924, 29655), (7908, 25965), (8655, 23724), (9885, 20772), (10386, 19770), (11540, 17793), (11862, 17310), (13180, 15579)]