130905880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20327}}^1$

素因数の和:20368

約数の個数: 64

約数和(自身を含む): 351267840

約数和(自身を除く): 220361960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 20327, 40654, 81308, 101635, 142289, 162616, 203270, 284578, 406540, 467521, 569156, 711445, 813080, 935042, 1138312, 1422890, 1870084, 2337605, 2845780, 3272647, 3740168, 4675210, 5691560, 6545294, 9350420, 13090588, 16363235, 18700840, 26181176, 32726470, 65452940, 130905880]

約数ペア:

[(1, 130905880), (2, 65452940), (4, 32726470), (5, 26181176), (7, 18700840), (8, 16363235), (10, 13090588), (14, 9350420), (20, 6545294), (23, 5691560), (28, 4675210), (35, 3740168), (40, 3272647), (46, 2845780), (56, 2337605), (70, 1870084), (92, 1422890), (115, 1138312), (140, 935042), (161, 813080), (184, 711445), (230, 569156), (280, 467521), (322, 406540), (460, 284578), (644, 203270), (805, 162616), (920, 142289), (1288, 101635), (1610, 81308), (3220, 40654), (6440, 20327)]