1220560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:116

約数の個数: 80

約数和(自身を含む): 3303360

約数和(自身を除く): 2082800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 73, 76, 80, 88, 95, 110, 146, 152, 176, 190, 209, 220, 292, 304, 365, 380, 418, 440, 584, 730, 760, 803, 836, 880, 1045, 1168, 1387, 1460, 1520, 1606, 1672, 2090, 2774, 2920, 3212, 3344, 4015, 4180, 5548, 5840, 6424, 6935, 8030, 8360, 11096, 12848, 13870, 15257, 16060, 16720, 22192, 27740, 30514, 32120, 55480, 61028, 64240, 76285, 110960, 122056, 152570, 244112, 305140, 610280, 1220560]

約数ペア:

[(1, 1220560), (2, 610280), (4, 305140), (5, 244112), (8, 152570), (10, 122056), (11, 110960), (16, 76285), (19, 64240), (20, 61028), (22, 55480), (38, 32120), (40, 30514), (44, 27740), (55, 22192), (73, 16720), (76, 16060), (80, 15257), (88, 13870), (95, 12848), (110, 11096), (146, 8360), (152, 8030), (176, 6935), (190, 6424), (209, 5840), (220, 5548), (292, 4180), (304, 4015), (365, 3344), (380, 3212), (418, 2920), (440, 2774), (584, 2090), (730, 1672), (760, 1606), (803, 1520), (836, 1460), (880, 1387), (1045, 1168)]