212947740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1949}}^1$

素因数の和:2571

約数の個数: 72

約数和(自身を含む): 647337600

約数和(自身を除く): 434389860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 607, 1214, 1821, 1949, 2428, 3035, 3642, 3898, 5463, 5847, 6070, 7284, 7796, 9105, 9745, 10926, 11694, 12140, 17541, 18210, 19490, 21852, 23388, 27315, 29235, 35082, 36420, 38980, 54630, 58470, 70164, 87705, 109260, 116940, 175410, 350820, 1183043, 2366086, 3549129, 4732172, 5915215, 7098258, 10647387, 11830430, 14196516, 17745645, 21294774, 23660860, 35491290, 42589548, 53236935, 70982580, 106473870, 212947740]

約数ペア:

[(1, 212947740), (2, 106473870), (3, 70982580), (4, 53236935), (5, 42589548), (6, 35491290), (9, 23660860), (10, 21294774), (12, 17745645), (15, 14196516), (18, 11830430), (20, 10647387), (30, 7098258), (36, 5915215), (45, 4732172), (60, 3549129), (90, 2366086), (180, 1183043), (607, 350820), (1214, 175410), (1821, 116940), (1949, 109260), (2428, 87705), (3035, 70164), (3642, 58470), (3898, 54630), (5463, 38980), (5847, 36420), (6070, 35082), (7284, 29235), (7796, 27315), (9105, 23388), (9745, 21852), (10926, 19490), (11694, 18210), (12140, 17541)]