28035540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11981}}^1$

素因数の和:12009

約数の個数: 72

約数和(自身を含む): 91590408

約数和(自身を除く): 63554868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 11981, 23962, 35943, 47924, 59905, 71886, 107829, 119810, 143772, 155753, 179715, 215658, 239620, 311506, 359430, 431316, 467259, 539145, 623012, 718860, 778765, 934518, 1078290, 1401777, 1557530, 1869036, 2156580, 2336295, 2803554, 3115060, 4672590, 5607108, 7008885, 9345180, 14017770, 28035540]

約数ペア:

[(1, 28035540), (2, 14017770), (3, 9345180), (4, 7008885), (5, 5607108), (6, 4672590), (9, 3115060), (10, 2803554), (12, 2336295), (13, 2156580), (15, 1869036), (18, 1557530), (20, 1401777), (26, 1078290), (30, 934518), (36, 778765), (39, 718860), (45, 623012), (52, 539145), (60, 467259), (65, 431316), (78, 359430), (90, 311506), (117, 239620), (130, 215658), (156, 179715), (180, 155753), (195, 143772), (234, 119810), (260, 107829), (390, 71886), (468, 59905), (585, 47924), (780, 35943), (1170, 23962), (2340, 11981)]