28805430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 72990720

約数和(自身を除く): 44185290

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 109, 115, 138, 218, 230, 327, 345, 383, 545, 654, 690, 766, 1090, 1149, 1635, 1915, 2298, 2507, 3270, 3830, 5014, 5745, 7521, 8809, 11490, 12535, 15042, 17618, 25070, 26427, 37605, 41747, 44045, 52854, 75210, 83494, 88090, 125241, 132135, 208735, 250482, 264270, 417470, 626205, 960181, 1252410, 1920362, 2880543, 4800905, 5761086, 9601810, 14402715, 28805430]

約数ペア:

[(1, 28805430), (2, 14402715), (3, 9601810), (5, 5761086), (6, 4800905), (10, 2880543), (15, 1920362), (23, 1252410), (30, 960181), (46, 626205), (69, 417470), (109, 264270), (115, 250482), (138, 208735), (218, 132135), (230, 125241), (327, 88090), (345, 83494), (383, 75210), (545, 52854), (654, 44045), (690, 41747), (766, 37605), (1090, 26427), (1149, 25070), (1635, 17618), (1915, 15042), (2298, 12535), (2507, 11490), (3270, 8809), (3830, 7521), (5014, 5745)]