40449480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 129686400

約数和(自身を除く): 89236920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 113, 114, 120, 152, 157, 190, 226, 228, 285, 314, 339, 380, 452, 456, 471, 565, 570, 628, 678, 760, 785, 904, 942, 1130, 1140, 1256, 1356, 1570, 1695, 1884, 2147, 2260, 2280, 2355, 2712, 2983, 3140, 3390, 3768, 4294, 4520, 4710, 5966, 6280, 6441, 6780, 8588, 8949, 9420, 10735, 11932, 12882, 13560, 14915, 17176, 17741, 17898, 18840, 21470, 23864, 25764, 29830, 32205, 35482, 35796, 42940, 44745, 51528, 53223, 59660, 64410, 70964, 71592, 85880, 88705, 89490, 106446, 119320, 128820, 141928, 177410, 178980, 212892, 257640, 266115, 337079, 354820, 357960, 425784, 532230, 674158, 709640, 1011237, 1064460, 1348316, 1685395, 2022474, 2128920, 2696632, 3370790, 4044948, 5056185, 6741580, 8089896, 10112370, 13483160, 20224740, 40449480]

約数ペア:

[(1, 40449480), (2, 20224740), (3, 13483160), (4, 10112370), (5, 8089896), (6, 6741580), (8, 5056185), (10, 4044948), (12, 3370790), (15, 2696632), (19, 2128920), (20, 2022474), (24, 1685395), (30, 1348316), (38, 1064460), (40, 1011237), (57, 709640), (60, 674158), (76, 532230), (95, 425784), (113, 357960), (114, 354820), (120, 337079), (152, 266115), (157, 257640), (190, 212892), (226, 178980), (228, 177410), (285, 141928), (314, 128820), (339, 119320), (380, 106446), (452, 89490), (456, 88705), (471, 85880), (565, 71592), (570, 70964), (628, 64410), (678, 59660), (760, 53223), (785, 51528), (904, 44745), (942, 42940), (1130, 35796), (1140, 35482), (1256, 32205), (1356, 29830), (1570, 25764), (1695, 23864), (1884, 21470), (2147, 18840), (2260, 17898), (2280, 17741), (2355, 17176), (2712, 14915), (2983, 13560), (3140, 12882), (3390, 11932), (3768, 10735), (4294, 9420), (4520, 8949), (4710, 8588), (5966, 6780), (6280, 6441)]