129195440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7727}}^1$

素因数の和:7770

約数の個数: 80

約数和(自身を含む): 344977920

約数和(自身を除く): 215782480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 7727, 8360, 15454, 16720, 30908, 38635, 61816, 77270, 84997, 123632, 146813, 154540, 169994, 293626, 309080, 339988, 424985, 587252, 618160, 679976, 734065, 849970, 1174504, 1359952, 1468130, 1614943, 1699940, 2349008, 2936260, 3229886, 3399880, 5872520, 6459772, 6799760, 8074715, 11745040, 12919544, 16149430, 25839088, 32298860, 64597720, 129195440]

約数ペア:

[(1, 129195440), (2, 64597720), (4, 32298860), (5, 25839088), (8, 16149430), (10, 12919544), (11, 11745040), (16, 8074715), (19, 6799760), (20, 6459772), (22, 5872520), (38, 3399880), (40, 3229886), (44, 2936260), (55, 2349008), (76, 1699940), (80, 1614943), (88, 1468130), (95, 1359952), (110, 1174504), (152, 849970), (176, 734065), (190, 679976), (209, 618160), (220, 587252), (304, 424985), (380, 339988), (418, 309080), (440, 293626), (760, 169994), (836, 154540), (880, 146813), (1045, 123632), (1520, 84997), (1672, 77270), (2090, 61816), (3344, 38635), (4180, 30908), (7727, 16720), (8360, 15454)]