16511220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 56609280

約数和(自身を除く): 40098060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 269, 279, 310, 330, 341, 372, 396, 465, 495, 538, 558, 620, 660, 682, 807, 930, 990, 1023, 1076, 1116, 1345, 1364, 1395, 1614, 1705, 1860, 1980, 2046, 2421, 2690, 2790, 2959, 3069, 3228, 3410, 4035, 4092, 4842, 5115, 5380, 5580, 5918, 6138, 6820, 8070, 8339, 8877, 9684, 10230, 11836, 12105, 12276, 14795, 15345, 16140, 16678, 17754, 20460, 24210, 25017, 26631, 29590, 30690, 33356, 35508, 41695, 44385, 48420, 50034, 53262, 59180, 61380, 75051, 83390, 88770, 91729, 100068, 106524, 125085, 133155, 150102, 166780, 177540, 183458, 250170, 266310, 275187, 300204, 366916, 375255, 458645, 500340, 532620, 550374, 750510, 825561, 917290, 1100748, 1375935, 1501020, 1651122, 1834580, 2751870, 3302244, 4127805, 5503740, 8255610, 16511220]

約数ペア:

[(1, 16511220), (2, 8255610), (3, 5503740), (4, 4127805), (5, 3302244), (6, 2751870), (9, 1834580), (10, 1651122), (11, 1501020), (12, 1375935), (15, 1100748), (18, 917290), (20, 825561), (22, 750510), (30, 550374), (31, 532620), (33, 500340), (36, 458645), (44, 375255), (45, 366916), (55, 300204), (60, 275187), (62, 266310), (66, 250170), (90, 183458), (93, 177540), (99, 166780), (110, 150102), (124, 133155), (132, 125085), (155, 106524), (165, 100068), (180, 91729), (186, 88770), (198, 83390), (220, 75051), (269, 61380), (279, 59180), (310, 53262), (330, 50034), (341, 48420), (372, 44385), (396, 41695), (465, 35508), (495, 33356), (538, 30690), (558, 29590), (620, 26631), (660, 25017), (682, 24210), (807, 20460), (930, 17754), (990, 16678), (1023, 16140), (1076, 15345), (1116, 14795), (1345, 12276), (1364, 12105), (1395, 11836), (1614, 10230), (1705, 9684), (1860, 8877), (1980, 8339), (2046, 8070), (2421, 6820), (2690, 6138), (2790, 5918), (2959, 5580), (3069, 5380), (3228, 5115), (3410, 4842), (4035, 4092)]