16819020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 54486432

約数和(自身を除く): 37667412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 43, 45, 53, 60, 82, 86, 90, 106, 123, 129, 159, 164, 172, 180, 205, 212, 215, 246, 258, 265, 318, 369, 387, 410, 430, 477, 492, 516, 530, 615, 636, 645, 738, 774, 795, 820, 860, 954, 1060, 1230, 1290, 1476, 1548, 1590, 1763, 1845, 1908, 1935, 2173, 2279, 2385, 2460, 2580, 3180, 3526, 3690, 3870, 4346, 4558, 4770, 5289, 6519, 6837, 7052, 7380, 7740, 8692, 8815, 9116, 9540, 10578, 10865, 11395, 13038, 13674, 15867, 17630, 19557, 20511, 21156, 21730, 22790, 26076, 26445, 27348, 31734, 32595, 34185, 35260, 39114, 41022, 43460, 45580, 52890, 63468, 65190, 68370, 78228, 79335, 82044, 93439, 97785, 102555, 105780, 130380, 136740, 158670, 186878, 195570, 205110, 280317, 317340, 373756, 391140, 410220, 467195, 560634, 840951, 934390, 1121268, 1401585, 1681902, 1868780, 2803170, 3363804, 4204755, 5606340, 8409510, 16819020]

約数ペア:

[(1, 16819020), (2, 8409510), (3, 5606340), (4, 4204755), (5, 3363804), (6, 2803170), (9, 1868780), (10, 1681902), (12, 1401585), (15, 1121268), (18, 934390), (20, 840951), (30, 560634), (36, 467195), (41, 410220), (43, 391140), (45, 373756), (53, 317340), (60, 280317), (82, 205110), (86, 195570), (90, 186878), (106, 158670), (123, 136740), (129, 130380), (159, 105780), (164, 102555), (172, 97785), (180, 93439), (205, 82044), (212, 79335), (215, 78228), (246, 68370), (258, 65190), (265, 63468), (318, 52890), (369, 45580), (387, 43460), (410, 41022), (430, 39114), (477, 35260), (492, 34185), (516, 32595), (530, 31734), (615, 27348), (636, 26445), (645, 26076), (738, 22790), (774, 21730), (795, 21156), (820, 20511), (860, 19557), (954, 17630), (1060, 15867), (1230, 13674), (1290, 13038), (1476, 11395), (1548, 10865), (1590, 10578), (1763, 9540), (1845, 9116), (1908, 8815), (1935, 8692), (2173, 7740), (2279, 7380), (2385, 7052), (2460, 6837), (2580, 6519), (3180, 5289), (3526, 4770), (3690, 4558), (3870, 4346)]