28750680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{3803}}^1$

素因数の和:3830

約数の個数: 128

約数和(自身を含む): 109555200

約数和(自身を除く): 80804520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 3803, 7560, 7606, 11409, 15212, 19015, 22818, 26621, 30424, 34227, 38030, 45636, 53242, 57045, 68454, 76060, 79863, 91272, 102681, 106484, 114090, 133105, 136908, 152120, 159726, 171135, 205362, 212968, 228180, 239589, 266210, 273816, 319452, 342270, 399315, 410724, 456360, 479178, 513405, 532420, 638904, 684540, 718767, 798630, 821448, 958356, 1026810, 1064840, 1197945, 1369080, 1437534, 1597260, 1916712, 2053620, 2395890, 2875068, 3194520, 3593835, 4107240, 4791780, 5750136, 7187670, 9583560, 14375340, 28750680]

約数ペア:

[(1, 28750680), (2, 14375340), (3, 9583560), (4, 7187670), (5, 5750136), (6, 4791780), (7, 4107240), (8, 3593835), (9, 3194520), (10, 2875068), (12, 2395890), (14, 2053620), (15, 1916712), (18, 1597260), (20, 1437534), (21, 1369080), (24, 1197945), (27, 1064840), (28, 1026810), (30, 958356), (35, 821448), (36, 798630), (40, 718767), (42, 684540), (45, 638904), (54, 532420), (56, 513405), (60, 479178), (63, 456360), (70, 410724), (72, 399315), (84, 342270), (90, 319452), (105, 273816), (108, 266210), (120, 239589), (126, 228180), (135, 212968), (140, 205362), (168, 171135), (180, 159726), (189, 152120), (210, 136908), (216, 133105), (252, 114090), (270, 106484), (280, 102681), (315, 91272), (360, 79863), (378, 76060), (420, 68454), (504, 57045), (540, 53242), (630, 45636), (756, 38030), (840, 34227), (945, 30424), (1080, 26621), (1260, 22818), (1512, 19015), (1890, 15212), (2520, 11409), (3780, 7606), (3803, 7560)]