2019955140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1603139}}^1$

素因数の和:1603161

約数の個数: 72

約数和(自身を含む): 7002515520

約数和(自身を除く): 4982560380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1603139, 3206278, 4809417, 6412556, 8015695, 9618834, 11221973, 14428251, 16031390, 19237668, 22443946, 24047085, 28856502, 32062780, 33665919, 44887892, 48094170, 56109865, 57713004, 67331838, 72141255, 96188340, 100997757, 112219730, 134663676, 144282510, 168329595, 201995514, 224439460, 288565020, 336659190, 403991028, 504988785, 673318380, 1009977570, 2019955140]

約数ペア:

[(1, 2019955140), (2, 1009977570), (3, 673318380), (4, 504988785), (5, 403991028), (6, 336659190), (7, 288565020), (9, 224439460), (10, 201995514), (12, 168329595), (14, 144282510), (15, 134663676), (18, 112219730), (20, 100997757), (21, 96188340), (28, 72141255), (30, 67331838), (35, 57713004), (36, 56109865), (42, 48094170), (45, 44887892), (60, 33665919), (63, 32062780), (70, 28856502), (84, 24047085), (90, 22443946), (105, 19237668), (126, 16031390), (140, 14428251), (180, 11221973), (210, 9618834), (252, 8015695), (315, 6412556), (420, 4809417), (630, 3206278), (1260, 1603139)]