28558920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18307}}^1$

素因数の和:18334

約数の個数: 64

約数和(自身を含む): 92272320

約数和(自身を除く): 63713400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 18307, 36614, 54921, 73228, 91535, 109842, 146456, 183070, 219684, 237991, 274605, 366140, 439368, 475982, 549210, 713973, 732280, 951964, 1098420, 1189955, 1427946, 1903928, 2196840, 2379910, 2855892, 3569865, 4759820, 5711784, 7139730, 9519640, 14279460, 28558920]

約数ペア:

[(1, 28558920), (2, 14279460), (3, 9519640), (4, 7139730), (5, 5711784), (6, 4759820), (8, 3569865), (10, 2855892), (12, 2379910), (13, 2196840), (15, 1903928), (20, 1427946), (24, 1189955), (26, 1098420), (30, 951964), (39, 732280), (40, 713973), (52, 549210), (60, 475982), (65, 439368), (78, 366140), (104, 274605), (120, 237991), (130, 219684), (156, 183070), (195, 146456), (260, 109842), (312, 91535), (390, 73228), (520, 54921), (780, 36614), (1560, 18307)]