240261720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1021}}^1$

素因数の和:1125

約数の個数: 128

約数和(自身を含む): 754971840

約数和(自身を除く): 514710120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 53, 60, 74, 106, 111, 120, 148, 159, 185, 212, 222, 265, 296, 318, 370, 424, 444, 530, 555, 636, 740, 795, 888, 1021, 1060, 1110, 1272, 1480, 1590, 1961, 2042, 2120, 2220, 3063, 3180, 3922, 4084, 4440, 5105, 5883, 6126, 6360, 7844, 8168, 9805, 10210, 11766, 12252, 15315, 15688, 19610, 20420, 23532, 24504, 29415, 30630, 37777, 39220, 40840, 47064, 54113, 58830, 61260, 75554, 78440, 108226, 113331, 117660, 122520, 151108, 162339, 188885, 216452, 226662, 235320, 270565, 302216, 324678, 377770, 432904, 453324, 541130, 566655, 649356, 755540, 811695, 906648, 1082260, 1133310, 1298712, 1511080, 1623390, 2002181, 2164520, 2266620, 3246780, 4004362, 4533240, 6006543, 6493560, 8008724, 10010905, 12013086, 16017448, 20021810, 24026172, 30032715, 40043620, 48052344, 60065430, 80087240, 120130860, 240261720]

約数ペア:

[(1, 240261720), (2, 120130860), (3, 80087240), (4, 60065430), (5, 48052344), (6, 40043620), (8, 30032715), (10, 24026172), (12, 20021810), (15, 16017448), (20, 12013086), (24, 10010905), (30, 8008724), (37, 6493560), (40, 6006543), (53, 4533240), (60, 4004362), (74, 3246780), (106, 2266620), (111, 2164520), (120, 2002181), (148, 1623390), (159, 1511080), (185, 1298712), (212, 1133310), (222, 1082260), (265, 906648), (296, 811695), (318, 755540), (370, 649356), (424, 566655), (444, 541130), (530, 453324), (555, 432904), (636, 377770), (740, 324678), (795, 302216), (888, 270565), (1021, 235320), (1060, 226662), (1110, 216452), (1272, 188885), (1480, 162339), (1590, 151108), (1961, 122520), (2042, 117660), (2120, 113331), (2220, 108226), (3063, 78440), (3180, 75554), (3922, 61260), (4084, 58830), (4440, 54113), (5105, 47064), (5883, 40840), (6126, 39220), (6360, 37777), (7844, 30630), (8168, 29415), (9805, 24504), (10210, 23532), (11766, 20420), (12252, 19610), (15315, 15688)]