30484520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{877}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 75859200

約数和(自身を除く): 45374680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 877, 1580, 1738, 1754, 3160, 3476, 3508, 4345, 4385, 6952, 7016, 8690, 8770, 9647, 17380, 17540, 19294, 34760, 35080, 38588, 48235, 69283, 77176, 96470, 138566, 192940, 277132, 346415, 385880, 554264, 692830, 762113, 1385660, 1524226, 2771320, 3048452, 3810565, 6096904, 7621130, 15242260, 30484520]

約数ペア:

[(1, 30484520), (2, 15242260), (4, 7621130), (5, 6096904), (8, 3810565), (10, 3048452), (11, 2771320), (20, 1524226), (22, 1385660), (40, 762113), (44, 692830), (55, 554264), (79, 385880), (88, 346415), (110, 277132), (158, 192940), (220, 138566), (316, 96470), (395, 77176), (440, 69283), (632, 48235), (790, 38588), (869, 35080), (877, 34760), (1580, 19294), (1738, 17540), (1754, 17380), (3160, 9647), (3476, 8770), (3508, 8690), (4345, 7016), (4385, 6952)]